You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: My name is Angela Baker, I want to change my reservation as my plan to visit Detroit for vacation is postponed. Can you change my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Sure.

ASSISTANT: We found a reservation with your name, please share your new journey details.

USER: Sure, I want flight from Oakland, CA-OAK and my destination is MI-DTW.

ASSISTANT: Can you please share your depart and return dates?

USER: I will fly on 02/29 and return on 03/02.

ASSISTANT: We found a Frontier airline, flight number: 1021, price: 100 with one connection.

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.