You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I just want to change an existing reservation as my meeting got post pone due to some technical issues. Can you help me?

ASSISTANT: Sure, may I know your good name?

USER: Brenda Phillips.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found a reservation on your good name. May I know your planned travel dates?

USER: 03/19 and 03/21 are my travelling dates.

ASSISTANT: Please share me your source and destination points.

USER: MCO and LAX are my airport codes.

ASSISTANT: May I know your connection limit?

USER: I need a connecting flight in between my journey.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We found an airline: United Airlines, flight number: 1010 and price is 200 with one connection.

USER: You can reserve it.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for reaching us.