You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your name please?

USER: My name is Thomas Walker.

ASSISTANT: Yes Walker, how can I help you today?

USER: I heard that Phoenix is nice place to visit on my holiday vacation. Can you please help me in booking a flight ticket?

ASSISTANT: Sure. Its really a good place. May I know your near by air port codes please?

USER: My source airport code is SEA and my destination airport code is PHX.

ASSISTANT: Please provide me your travelling dates.

USER: My preferable dates are 11/18 and 11/20.

ASSISTANT: Yes, one flight is available with your request and the connection of the flight is 1.

USER: OK, please book the ticket.

ASSISTANT: Sure. Your flight booking is confirmed and the number of the flight is 1024. It is Spirit airlines.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice journey.