You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: My name is George Johnson and I would like to visit Los Angeles for site seeing. Can you help me in booking a ticket?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned journey dates are 12/04 and 12/06.

ASSISTANT: Let me check for the availability of flight. Could you please help me with the airport codes?

USER: The respective airport codes are CLT and LAX.

ASSISTANT: Give me a moment.

USER: Sure. Its ok, thank you for the information. You are welcome.