You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I abet you now?

USER: I am Jack Johnson.

ASSISTANT: Ok.

USER: I need to book a flight ticket from DEN to DFW, Can you please help me for booking?

ASSISTANT: Sure, May I know your departure and arrival dates?

USER: I would like to travel on 02/16 to 02/18.

ASSISTANT: Thank you for your time, we have found a UA airline, flight number-1002, connections-1 and ticket-200.

USER: Ok, proceed for booking.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thanks for choosing us.