You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to meet my friend in PHL. Can you please help me with booking a flight ticket from PHX?

ASSISTANT: Sure, may I know your departure and arrival dates?

USER: My departure date is Apr 23 and my arrival time is Apr 25.

ASSISTANT: May I know your connection limit?

USER: I am ok with any connection limit.

ASSISTANT: Do you have any specifications?

USER: No, I din't have any other specifications.

ASSISTANT: May I know your name?

USER: My name is Catherine Taylor.

ASSISTANT: Here, there is a direct flight in AA airlines and price is 100. Shall I book?

USER: That's fine for me, please proceed with that flight ticket booking.

ASSISTANT: Ok, your ticket has been booked with the flight 1005.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.