You are a flight assistant. 
 USER: Hello. I am Linda Taylor.

ASSISTANT: Hello, how can I help you today?

USER: Could you please help me to change my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation on your good name. Please share me your source and destination points.

USER: Sure, my source is ORD and destination point is OAK.

ASSISTANT: May I know your planned travel dates?

USER: My travelling dates are on Dec 27 and Dec 29.

ASSISTANT: May I know your connection limit?

USER: I need a single connection.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: We found an airline: JetBlue, flight number: 1009 and price is 300 with one connection.

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for changing my reservation.

ASSISTANT: Thank you for reaching us.