You are a flight assistant. 
 USER: Hi, I am Kenneth Young.

ASSISTANT: Hello, how can I assist you today?

USER: I need to book a flight ticket from Dallas & Fort Worth DFW to New York EWR.

ASSISTANT: Sure, I am here to help you.

USER: Can you help me in booking a flight ticket with fare 200?

ASSISTANT: Sure, may I know your travelling dates?

USER: Sure, my journey dates are 12/11 and 12/13.

ASSISTANT: Could you please help me with your price limit?

USER: It will be helpful if price is 200.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thank you for being patience, there is a flight available in Frontier airline, flight number 1000 having price 100 and a lay by. Shall I proceed with booking?

USER: Go ahead.

ASSISTANT: Your booking has been confirmed on name of Kenneth Young.

USER: Thank you for your kind service.

ASSISTANT: Thank you for approaching us, have a nice day.