You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Ronald Baker.

ASSISTANT: How may I help you out?

USER: I want to travel from CLT to ATL. Can you book a flight ticket for me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: I want to travel in the flight on 09/24 and 09/26.

ASSISTANT: Sorry, there are no flights found in our database.

USER: That's ok. Anyways, thank you for your help.

ASSISTANT: Thank you for reaching us.