Hi.
user
Hello.
assistant
I am Nicholas Wilson.
user
How can I help you today?
assistant
I want to book a flight ticket from TX-HOU to TX-DFW. Can you help me?
user
Sure, I am here to help you in booking. Could you please share your travel dates?
assistant
07/21 and 07/23 are my travelling dates.
user
Please wait a moment.
assistant
Ok.
user
Sorry, no flights are available on your preferable travel dates.
assistant
No issue. Thank you.
user
Thank you for choosing us, have a nice day.
assistant