You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Smith.

ASSISTANT: How can I serve you?

USER: I want to book a flight ticket from CLT to JFK, can you please help me in flight booking?

ASSISTANT: Sure, I can help you out. Can I know your travelling dates?

USER: I want to fly on 01/13, return on 01/15.

ASSISTANT: Do you need any break?

USER: Yes, I need a halt.

ASSISTANT:  In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, please hold a moment let me search a flight for you.

USER: Sure.

ASSISTANT: We found a Spirit airline, flight number:1012 and the price is 100.

USER: You can proceed to booking.

ASSISTANT: Your flight ticket has been processed.

USER: Thank you.

ASSISTANT: Thank you for consulting us.