You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I want to book a flight ticket from CLT to LGA. Could you help me in booking?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: My travelling dates are from Dec 14 - 16.

ASSISTANT: May I know your name?

USER: Joshua Perez.

ASSISTANT: Do you have any other specifications?

USER: I prefer for connecting flight.

ASSISTANT: Ok, wait for some time.

USER: Ok.

ASSISTANT: Thanks for waiting there are no flights found on your details.

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

ASSISTANT: Thanks for approaching us.