You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Will you please book me a plane ticket from PHX to SEA?

ASSISTANT: Sure, may I know your name please?

USER: I am Kathleen Young.

ASSISTANT: May I know on which dates you are willing to travel?

USER: I will start on May 31st and return on June 2nd.

ASSISTANT: May I know your class preference please?

USER: I am fine with any class.

ASSISTANT: May I know your preferable time for journey?

USER: I don't have any time restriction.

ASSISTANT: May I know your connection limit please?

USER: I need 1 lay by.

ASSISTANT: There is a connecting flight of fare 100 with economy class in Southwest airline, shall I proceed for booking?

USER: Fine, please proceed.

ASSISTANT: Your ticket has been confirmed with flight number 1019.

USER: Thanks for your service.

ASSISTANT: You are welcome.