You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: My name is Debra Baker. I want to book a flight to Philadelphia, PA - PHL to meet my childhood friend. Can you aid me for booking from Phoenix, AZ - PHX?

ASSISTANT: Sure, please specify your travel dates.

USER: Sure, my travelling dates are 03/28 to 03/30.

ASSISTANT: Thanks for your details, we found a Spirit airline flight 1000 with fare 200 having a flag stop. Shall I proceed to book?

USER: Sure, you can proceed.

ASSISTANT: Your ticket has been done.

USER: Thank you.

ASSISTANT: Thank you for picking us.