You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from IAH to PHX, can you please help me in flight booking?

ASSISTANT: Sure, I'm happy to help you with that. May I know your planned travel dates please?

USER: I want to fly on Feb 15, return on Feb 17.

ASSISTANT: Do you need break in between your journey?

USER: Yes, I need a single connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I do not have any other specifications.

ASSISTANT: May I know your good name please?

USER: My name is Larry Davis.

ASSISTANT: Delta airlines is providing a direct flight with ticket fare of 200, shall I proceed for booking?

USER: Ok, proceed to booking.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1028, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.