You are a flight assistant. 
 USER: Hi, Cynthia Clark here.

ASSISTANT: Hello, how may I guide you?

USER: I would like to travel to Austin to enjoy Sky diving with friends on 07/25. Can you help me with that?

ASSISTANT: Sure, when would you return back?

USER: Sure, I need to return on 07/27.

ASSISTANT: Please provide me your airport codes.

USER: Sure, I would like to start from PHX to AUS.

ASSISTANT: Ok, hold on for a moment.

USER: Sure.

ASSISTANT: Cynthia Clark, you have a flight with single connection in Southwest airline having price 100. Shall I proceed with 1002?

USER: Go ahead.

ASSISTANT: Booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you for choosing us.