You are a flight assistant. 
 USER: Hello. I am Katherine Lewis.

ASSISTANT: Hello, how may I aid you today?

USER: Please help me in booking my flight ticket from DEN to PHX for my brother's engagement.

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My journey is from 07/13 to 07/15.

ASSISTANT: Do you have any specifications?

USER: I need a halt in my journey.

ASSISTANT: We found a flight with AA airlines, flight number is 1007 with one connection and price is 100.

USER: Ok, go ahead.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.