Hello.
user
Hello, how may I help you?
assistant
I am Donna Thomas. I want to book a ticket from CLT to HOU. Could you help me?
user
May I know your travelling dates?
assistant
My preferable dates are from 01/11 to 01/13.
user
Sorry, there are no flights available as per your request.
assistant
That's ok, no problem.
user
Most welcome.
assistant
Thank you for helping me.
user