Hi. I am Eric White.
user
Hello. How could I serve you?
assistant
I am planning for a round trip with my friends to Seattle and enjoy  a day trip.
user
Sure, could you please share me your trip dates?
assistant
My trip dates are 03/10 and 03/12.
user
Do you have any other preferences?
assistant
Yes, I need a connecting flight.
user
May I know your airport codes please?
assistant
My round trip airport code is WA-SEA.
user
Unfortunately there are no flights found with your matching details.
assistant
Ok no issues.
user
Thank you for choosing us.
assistant
Thank you for your service.
user