Hello, I am Alexander Baker.
user
Hello, how may I aid you today?
assistant
I want to travel a round trip to Houston to participate in Sports festival. Can you book a direct flight?
user
Sure, we are here to help you for booking. May I know your journey dates?
assistant
I will depart on 03/09 and return on 03/11.
user
Ok, can you please share your journey airport codes?
assistant
Sure, my round trip code is TX - IAH.
user
Ok, please wait for a while.
assistant
Sure.
user
Sorry to say that, there were no flights found on your specified details.
assistant
Ok, Thank you for providing information.
user
Thank you for choosing us.
assistant