You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I amend you today?

USER: My football match has been postponed due to bad weather, can you please change my reservation?

ASSISTANT: Sure, we are glad to help you to change your reservation. May I know your name?

USER: Sure, you can check the reservation on the name of Brandon Carter.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your specified name.

USER: Ok, Thank you for your service.

ASSISTANT: Thank you for choosing our service.