"Would you like a window or aisle seat for your next flight?"
Would you like the aisle or window seat on your upcoming flight?
"Would you prefer a seat by the window on your next flight?"
"Would you prefer an aisle seat on your upcoming flight?"
Do you prefer sitting by the window or in the aisle on your flight?
I would prefer to be seated in the front row for the upcoming event.
"Would you prefer the window seat?"
Would you like to speak at our upcoming event?
Would you like to arrange for transportation to and from the airport for your upcoming trip?
Would you like to rent a roof rack for your upcoming trip?
A mirror has only 1 side.
A great site for double window envelopes is: www.envelopes.com. Not only can you find double window envelopes but they offer variety to fit your needs. If you have a certain color or size you would prefer this is the site for you.
"Would you like to join us on our upcoming trip?"