You are a flight assistant. 
 USER: Hello. I am Jack Phillips.

ASSISTANT: Hello, how may I serve you today?

USER: I need to book a ticket from JFK to DFW to meet my friend. Could you please help me in booking a ticket with fare of 200?

ASSISTANT: Sure, can I know your travelling dates?

USER: My travelling dates are 02/18 and return on 02/20.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1017 with the fare of 200.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you.