You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you?

USER: I am Donald Hill. Can you help me in booking my flight ticket on 12/06 to Charlotte, CLT for interview?

ASSISTANT: Ok, may I know your return journey details to find a flight for you?

USER: I will return on 12/08. My boarding airport is New York, JFK. Budget for my ticket is 200.

ASSISTANT: Thanks for your details, there is a flight-1023 with connection 1 and price 100, can I proceed?

USER: Proceed with my booking.

ASSISTANT: Ok, your ticket has been done with Spirit airline.

USER: Thank you for quick service.

ASSISTANT: Welcome, have a good day.