You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Emma Robinson here, I want to reserve a flight ticket from Charlotte CLT to HOU. Can you please help me with booking?

ASSISTANT: Sure, may I know your journey dates please?

USER: I would like to start my journey on 06/03 and return back to my hometown on 06/05.

ASSISTANT: Emma Robinson, there are no flights available in your route.

USER: Not a big problem, anyway, thank you for the information.

ASSISTANT: Thank you for reaching us.