You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Myself Andrew Taylor. I am looking for a flight from CLT to HOU, can you help me in booking the flight ticket?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: Sure, my planned travel dates are 10/12 and 10/14.

ASSISTANT: Wait a moment please. Andrew Taylor, sorry to inform you. There are no flights available in your route.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for your information.