You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: As my tournament got postponed, I want to change my existing reservation. Can you please help me out?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Sure, my name is Patrick Robinson.

ASSISTANT:  Patrick Robinson, I have found your previous reservation. Can you please provide me your nearest airport codes please?

USER: Sure, my new airport codes are JFK and BOS.

ASSISTANT: May I know your journey dates please?

USER: Ok, my travelling dates will be 04/03 and 04/05.

ASSISTANT: Spirit airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Yes, proceed.

ASSISTANT: Your ticket is booked with the flight-1013.

USER: Thank you.

ASSISTANT: Thank you for choosing us.