Hi.
user
Hello. How can I aid you?
assistant
I am Michelle Roberts. I want to book a ticket from IAD to HOU, can you help me?
user
Sure, May I know your travelling dates?
assistant
My travel dates are 05/15 and 05/17.
user
Do you have any connection limit?
assistant
No.
user
Do you have any specific depart and arrival time for this trip?
assistant
I want to return in the afternoon.
user
Thanks for your details, there are no flights found on your data.
assistant
No problem, thanks for checking.
user
Thank you.
assistant