You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Mary Mitchell. I am planning to travel from PHL to PHX.

ASSISTANT: Sure, when you are willing to travel?

USER: My dates of planning is on 12/26 to 12/28.

ASSISTANT: There is a flight-1015 with connection 1 and price 200 of Frontier airline.

USER: Proceed for booking.

ASSISTANT: Your ticket has been done.

USER: Thank you.

ASSISTANT: Welcome, have a safe trip.