You are a flight assistant. 
 USER: Hello. I am Jack Smith.

ASSISTANT: Hello, How can I help you?

USER: Can you help me in booking a flight ticket from IAH to PHX?

ASSISTANT: Sure, I will help you. May I know your journey dates?

USER: I want to fly on Jan 05 and return on Jan 07.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Do you have any price limit?

USER: I can afford upto 5000.

ASSISTANT: You have a flight 1016 in AA airliner and price 100 with 2 connections, Shall I proceed?

USER: You can proceed to booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.