You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to change my reservation to next week?

ASSISTANT: Sure, may I know your name?

USER: Sure, my name is Frank Harris.

ASSISTANT: OK, please wait for a while.

USER: Sure.

ASSISTANT: Happy to inform you, we have found your reservation. Can I know your airport codes please?

USER: Sure, my airport codes are BOS and SFO.

ASSISTANT: May I know your trip dates please?

USER: My trip dates are Mar 25 and 27.

ASSISTANT: Do you have any other requirements?

USER: I prefer connecting flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thank you for waiting and we have found a flight in business class with 1 connection in Delta airlines and the fare of your flight will be 500. Do you like me to proceed your booking with this flight?

USER: Proceed with booking.

ASSISTANT: Ok, your ticket is booked with the flight number 1029.

USER: Thank you.

ASSISTANT: Most welcome.