You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Can you please help me in flight ticket booking process from ORD to DFW?

ASSISTANT: Sure, can you please share me your travelling dates?

USER: Thank you for your response, I want to take off on Feb 14 and book my return ticket also on Feb 16.

ASSISTANT: Do you have any class preference?

USER: No.

ASSISTANT: Do you have any connection limit?

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

ASSISTANT: Is there any other specifications in your journey?

USER: No.

ASSISTANT: May I know your name?

USER: Sure, my name is David Carter.

ASSISTANT: We found 1016 Delta Airlines with direct flight and price of 200, shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.