You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: Actually, my trip has been changed to New York for some emergency meeting. Can you please help me in changing my reservation?

ASSISTANT: Certainly, I can help you with that.

USER: Thanks.

ASSISTANT: May I know your name for checking your previous reservation status?

USER: Sure, the reservation is on Benjamin Green name.

ASSISTANT: Ok, please wait moment, I will check your reservation status.

USER: Sure.

ASSISTANT: I have found your reservation. Can you please mention your preferable travel dates for booking flight ticket?

USER: That's great, please replace my travelling dates to 03/31 and also the return date to 04/02.

ASSISTANT: May I know your nearest airport code names?

USER: My new journey locations are from New York - EWR to Minneapolis - MSP.

ASSISTANT: Ok, please wait a moment.

USER: I hope I'll get a good airline for my trip.

ASSISTANT: Sure. There is a flight available as per your requested dates, connection limit of this airline is 1 and price is 100. Shall I proceed?

USER: It's really a perfect airline that fit my trip. Please proceed with this airline.

ASSISTANT: Your flight ticket is successfully booked, airline is AA and flight number is 1026.

USER: Thank you so much for finding a flight with all my requirements. Thank you so much.

ASSISTANT: Thank you for reaching us, have a nice day.