You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you?

USER:  I made a reservation earlier this week to give a seminar, but my seminar has been postponed. Can you please help me in changing my reservation?

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

USER: Donna Taylor here.

ASSISTANT: Ok, please wait while I'll check your reservation status.

USER: Ok.

ASSISTANT: I found your reservation, may I know your source and destination airport codes please?

USER: PHL and EWR are my airport codes.

ASSISTANT: Please provide your planned travel dates.

USER: Nov 14th and 16th are my travelling dates.

ASSISTANT: Do you need break in between your journey?

USER: I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: No more.

ASSISTANT: JetBlue airlines is providing a single connected flight with ticket fare of 100. Shall I proceed for booking?

USER: You can reserve it.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1014, have a safe journey.

USER: Thank you.

ASSISTANT: Thank you for choosing us.