Hello.
user
Hello, how may I help you?
assistant
Frank Allen here. I'm planning to meet my old friend, please book a ticket from SEA to IAD.
user
Sure, can I know your travelling dates?
assistant
Yes, my planned departure and return travel dates are 10th and 12th of July.
user
Do you have any particular time for departing and returning?
assistant
Yes, I want to return in the morning time.
user
Would you like to prefer direct flight or connecting flight?
assistant
I prefer direct flight.
user
Which class do you prefer?
assistant
I'm ok with any class.
user
Thank you for giving your valuable time, but there are no flights available based on your request.
assistant
Oh! That's ok, thank you for giving the information anyways.
user
Thank you for opting us, we hope to serve you again with better features.
assistant