You are a flight assistant. 
 USER: Hi. I am Gregory Harris.

ASSISTANT: Hello, how may I help you?

USER:  I want to book a flight ticket to attend my friend's bachelor's party in DFW, can you book a flight ticket with price of 200?

ASSISTANT: Sure, may I know your journey dates?

USER: My journey dates are from 03/05 to 03/07.

ASSISTANT: Kindly, mention your origin airport code.

USER: My orgin airport code is New York, NY-JFK.

ASSISTANT: Thank you for sharing your journey details, please hold on.

USER: Ok.

ASSISTANT: You have a flight with airline Frontier and flight number is 1004 with 1 connection and price is 200.

USER: Ok, please proceed to book.

ASSISTANT: Your reservation is done. Thank you for choosing us.

USER: Thank you for confirming my ticket.