Hello.
user
Hello. How can I help you?
assistant
Can you help me to book a direct flight from CLT to PHX?
user
Sure. May I know your journey dates?
assistant
My travelling dates are 23 and 25 of Jan.
user
Can I have your name?
assistant
I am Jerry Hernandez.
user
Let me know your class preference.
assistant
I prefer to travel in economy class.
user
Do you have any other specifications?
assistant
I would like to return in the afternoon.
user
Please, wait a minute.
assistant
Sure.
user
Thank you for waiting, there were no flights available that  matches your requirements.
assistant
It's ok, not a problem, thank you.
user
Thank you for approaching us.
assistant