You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you today?

USER: My plan to go for Brooklyn walking tour has postponed due to bad weather, so I want to change my reservation. Can you help me with that?

ASSISTANT: Sure, may I know your good name?

USER: My name is Cynthia Edwards.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: We are glad to say that, we found a reservation on your good name.

USER: Ok.

ASSISTANT: Please share me your source and destination codes.

USER: My source code is LAS and destination is LGA.

ASSISTANT: May I know your planned travel dates?

USER: My new journey dates will be 05/02 and 05/04.

ASSISTANT: We are glad to say that, we found an airline: UA, flight number: 1028 and price is 200.

USER: That's perfect, please make it confirm.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your effort and help.

ASSISTANT: Thank you for reaching us.