You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I render you today?

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

ASSISTANT: Sure, may I know your good name?

USER: Sure, my name is Michelle Walker.

ASSISTANT: Could I have your trip dates, please?

USER: Thank you for your response, I want to take off on Apr 20 and book my return ticket also on Apr 22.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Is there any other specifications?

USER: I need 1 break in between my journey.

ASSISTANT: We found a direct flight 1011 from Southwest airline has fare 100. Shall I proceed?

USER: I am ok with this flight, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.