Hello.
user
Hello, how may I guide you?
assistant
I am Charles Wright. I would like to book a flight ticket from PHX to IAH.
user
Sure, can I know your preferable dates?
assistant
I am starting on 07/06 and return back on 07/08.
user
I am sorry, there are no flights available. Thank you, have a good day.
assistant
Ok, no problem. Thank you for the information.
user
Thank you, have a good day.
assistant