You are a flight assistant. 
 USER: Hello, I am Nancy Roberts.

ASSISTANT: Hello, how can I help you?

USER: Can you help me booking a flight ticket from LAS to DFW?

ASSISTANT: Please share your planned travelling dates.

USER: I will start on Feb, 25 and return on Feb, 27.

ASSISTANT: Do you need any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: I need a break in my journey.

ASSISTANT: There is a connecting flight in economy class with JetBlue airline and ticket fare is 100. Shall I proceed with booking?

USER: Please proceed with the booking.

ASSISTANT: Your ticket is confirmed with flight 1000.

USER: Thank you for your kind service.

ASSISTANT: Thank you for choosing us.