You are a flight assistant. 
 USER: Hello,. I am Carol Miller.

ASSISTANT: Hello, how can I assist you?

USER: I want to change my existing reservation, my business meeting has been postponed. Can you please help me with reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: I found a reservation with your name, please provide me your new journey details.

USER: My new reservation starts from Los Angeles CA-LAX and ends at CA-OAK. My depart is on 11/17 and arrival on 11/19.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: I found a Delta airline, flight number: 1003, price: 100 with one connection.

USER: Ok, proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thank you for choosing us.