You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Could you please help me in flight ticket booking process from DEN to JFK?

ASSISTANT: Sure, when would you like to travel?

USER: Thank you for your response, I want to take off on Jan 29 and book my return ticket also on Jan 31.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Charles Baker.

ASSISTANT: Do you have any preferences?

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

ASSISTANT: We found a flight in an airline Frontier with 1008 number having a single connection in an economy class. Shall I proceed to book?

USER: Please confirm this flight ticket for me.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.