You are a flight assistant. 
 USER: Hello. I am Dorothy young.

ASSISTANT: Hello, how may I help you?

USER: I want to travel from PHX to PHL. Can you book a flight ticket for me?

ASSISTANT: Sure, can I have your trip dates please?

USER: I want to travel on 02/15 and 02/17.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: There is a flight for you in Southwest airlines with price 100. Can I book your ticket?

USER: Proceed to booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1003.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.