You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: My name is Donald Walker. I am planning to travel from LAS to DFW, could you please help me with that?

ASSISTANT: OK, could you please provide your preferable travelling dates?

USER: Departure date is 12/31 and return date is 11/02. Departure date is 10/31.

ASSISTANT: OK. I got a flight of Jet Blue airline having flight number as 1014 as per your request. Shall I proceed booking?

USER: Price limit should not exceed 200 and connections limit should be 1.

ASSISTANT: Donald, the available flight is perfectly matching your request.

USER: Please confirm the booking.

ASSISTANT: OK. Your ticket booking is done.

USER: Thank you for the help.

ASSISTANT: Have a safe journey. Thank you.