You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Kathleen Harris here.

ASSISTANT: Nice to meet you Harris.

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

ASSISTANT: Sure, I am here to help you. May I know your trip dates please?

USER: I would like to meet my friends on 11/22 and 11/24.

ASSISTANT: Ok, hold on for a moment please. Let me check for the availability.

USER: Ok.

ASSISTANT: I found a flight for you with AA airline and it costs you 200. Shall I proceed?

USER: Yes, please.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your support.

ASSISTANT: Thank you for choosing us. Have a safe flight.