You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello. How can I aid you today?

USER: As, there is a sudden change in trip I want to change my destination for travel.

ASSISTANT: Sure, may I know your name?

USER: Could help me in changing my reservation?

ASSISTANT: Sure, we are here to help you.

USER: Reservation is done with my name Jessica Young.

ASSISTANT: Please wait for a minute.

USER: Sure.

ASSISTANT: There is a reservation done on your name.

USER: Ok.

ASSISTANT: May I know your new travelling dates?

USER: Sure,. I will fly on 06/03 and recur on 06/05.

ASSISTANT: Could you please help me with your new airport codes?

USER: My airport for travel are Denver, DEN to New York, LGA.

ASSISTANT: Please wait for a couple of minutes.

USER: Sure.

ASSISTANT: There is a Hawaiian 1020 airline with fare of 100 which matches your travelling dates. Shall I proceed with booking?

USER: Ok, Proceed with my booking.

ASSISTANT: Your booking has been confirmed on name of Jessica Young.

USER: Thank you for best service.

ASSISTANT: Thank you for approaching us.