You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: Can you help me to book a flight ticket from CLT to LAX?

ASSISTANT: Sure, can you please mention your dates of journey?

USER: My trip dates are Dec, 20 and Dec, 22.

ASSISTANT: May I know your name please?

USER: Richard Allen here.

ASSISTANT: Are you looking for any other specifications please?

USER: I need to return at afternoon time.

ASSISTANT: Ok, please wait for a mean while.

USER: Sure.

ASSISTANT: I found a connecting flight of fare 200 with the airline Delta, are you ok with this booking?

USER: Yes, please proceed.

ASSISTANT: Ok, I have reserved your ticket with the flight number 1028.

USER: Thank you.

ASSISTANT: You are welcome, have a safe flight.