You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: Myself Paul Harris.

ASSISTANT: Nice to meet you Paul.

USER: I would like to travel Las Vegas to meet my old friend, can you please help me in booking my ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My airport codes are from SEA to LAS, I want to depart on 05/09 and return on 05/11.

ASSISTANT: Ok, please wait for minute.

USER: Sure.

ASSISTANT: One of the airlines Southwest is providing a flight 1012 towards your region, is it ok for you?

USER: Sure, you can proceed with the booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thanks for contacting us.