You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I serve you?

USER: I want to visit Las Vegas on my vacation, can you book a ticket on 08/11 and 08/13?

ASSISTANT: Sure, may I know your airport codes?

USER: Yes, I want to fly from LAS to SFO.

ASSISTANT: Please wait for a while. There is a flight with airline AA and flight number 1002. price 100 and 1 connection. May I know your name please?

USER: Ok, proceed with this airline. My name is Thomas Carter.

ASSISTANT: Your ticket has been confirmed.

USER: Ok, thank you.

ASSISTANT: Thank you have a nice day.