You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: I am Janet Carter. I would like to change my existing reservation, because I need to go for another place. Can you help me?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

ASSISTANT: There is a reservation found on your name.

USER: Ok.

ASSISTANT: Please share your journey details.

USER: Sure. I will travel from Seattle, SEA to Orlando, MCO. My travelling dates are 12/04-12/06. I need a connecting flight.

ASSISTANT: Thanks for waiting, there is a flight with airline: UA, flight number:1020, 1 connection, price 100.

USER: Ok.

ASSISTANT: Shall I proceed?

USER: You can proceed with reservation.

ASSISTANT: Your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you.