Hello. I am Richard Collins.
user
Hello. How may I assist you?
assistant
I want to travel from HOU to DFW. Can you help me to book a flight ticket?
user
Sure, now please share your travel dates?
assistant
I want to travel in the flight on 05/27 and 05/29.
user
Thanks for waiting. But I am sorry to say that there are no flights available.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you.
assistant