Hello.
user
Hello, how can I help you?
assistant
I am Richard Gonzalez. Please book a connecting flight from IAD to IAH.
user
Sure, may I know your depart and return dates?
assistant
I will start on July, 27 and return on July, 29.
user
May I know your depart time?
assistant
My depart time is evening.
user
Do you have any other requirements?
assistant
No.
user
Sorry, there are no flights found with your given details.
assistant
It's ok, thank you for checking.
user
Thank you for opting us.
assistant