There are different meanings to these words, not knowing the context of this sentence I can't possibly tell you what you exactly want. You can choose which of the following suits your context and figure it out easily on your own.
Kochira: I, me / this place, here / this person
Sanbanme: third / number three
No: here it indicates possessive relation between the words before and after it
Seki: seat / position / post, rank
One of the possible meanings e.g can be:
This is the seat number three.
'The third number is 7.'
"Oheya wa kochira desu" is a Japanese phrase that translates to "This way to the room" or "The room is this way." It is often used to guide someone to a particular location, typically within a building. The phrase can be broken down into "oheya" meaning "room," "wa" as a topic marker, and "kochira" meaning "this way" or "here."
'(This/That/She) is my younger sister.'
'(These/Those/They) are our parents.'
Where's the bathroom.
'It is the first door on the right.'
'It is the second door on the left.'
"Shita" is a Japanese word and in English it means "Down"
I think you mean "genki desu ka". The correct way of spelling it in English would be "ogenki desu ka". It is Japanese for "How are you?" One would usually answer by saying "Genki desu. Anata wa?' which means "I'm fine, and you?"
"O-ai dekite ureshii desu" is a Japanese phrase and in English it means "Nice to meet you"
'The second number is 9.'
"Garufurendo shinai desu" (ガルフレンドしないです) translates to "I don't have a girlfriend" in English. The term "garufurendo" is a loanword derived from "girlfriend," and "shinai" means "not do" or "do not." The addition of "desu" adds a level of politeness to the statement.