You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in flight ticket booking process from PHL to DEN?

ASSISTANT: Sure, may I know your travelling dates?

USER: Thank you for your response, I want to take off on Oct 28 and book my return ticket also on Oct 30.

ASSISTANT: May I know your connection limit?

USER: I will prefer 1 break in between my journey.

ASSISTANT: Do you have any other specifications?

USER: I want to return in afternoon time.

ASSISTANT: There is a flight of spirit airline, flight number  1012 with the fare of 200. Can I proceed?

USER: Sorry, I will prefer to travel in normal cost airline.

ASSISTANT: Sorry, there are no normal cost airlines are available.

USER: Oh! It's ok, no problem.

ASSISTANT: May I know your name for documentation purpose?

USER: Thank you for your information. Sure, my name is Helen Thomas.

ASSISTANT: Thank you for choosing us.