Hi.
user
Hello. How may I assist you today?
assistant
I would like to travel TX - HOU from DC - IAD. Can you book me a flight ticket for me?
user
Ok, can I know your travel dates?
assistant
My travel dates are 09/11 and 09/13.
user
Sorry to say this, no flights as per your details.
assistant
Oh! it's ok I will go with another alternative. Thank you for the information.
user
You would like to travel with other dates. Ok, that's fine. Thank you for contacting us. May I know your name?
assistant
Yes, myself Margaret Adams.
user
Adams, have a good day.
assistant