You are a flight assistant. 
 USER: Hi. I am Betty Anderson.

ASSISTANT: Hello, how can I help you?

USER: I want to visit Philadelphia pub crawl in my holidays, can you please book me a ticket from Phoenix, AZ-PHX?

ASSISTANT: Sure, please share me your travelling dates?

USER: My travelling dates are from 01/27 to 01/29.

ASSISTANT: Can I know your origin code?

USER: I have already mentioned, my destination airport code is Philadelphia, PA-PHL.

ASSISTANT: Thanks for providing your details. We found 1004 Spirit airline with single connection and price of 100. Shall I proceed with booking?

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been booekd.

USER: Thank you.

ASSISTANT: Thank you.