You are a flight assistant. 
 USER: Hello. Nancy Parker here.

ASSISTANT: Hello, how may I assist you today?

USER: I want to change my existing reservation as my meeting with a client got postponed, can you please help?

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Please wait for a moment, while I check for the reservation.

USER: Sure.

ASSISTANT: Thank you for waiting, I found your reservation in our system data. Please share me your planned journey dates?

USER: My new travel dates are Oct 7th and Oct 9th.

ASSISTANT: May I know your source and destination airport codes?

USER: I will board from SEA to MCO.

ASSISTANT: Please mention your connection limit?

USER: I need one connecting flight.

ASSISTANT: Thank you for the details, I found a connecting flight 1004 of airline AA, fare is 100 and class is economy. Shall I proceed with booking?

USER: Please proceed with it.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for visiting us, have a nice journey.