Hello.
user
Hello, how may I help you?
assistant
I want to travel from CLT to PHL. Can you help me to book a flight ticket?
user
Sure, could you please provide your travelling dates to search for the flight?
assistant
I want to travel in the flight on Apr 11 and Apr 13.
user
Do you have any requirements?
assistant
I prefer to travel in economy class.
user
May I know your name?
assistant
I am Betty Johnson.
user
Sorry to say, no flight is available for you.
assistant
That's ok. Anyways, thank you for your help.
user
Thank you for reaching us.
assistant