You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to change my existing reservation due to sudden postpone of my football match.

ASSISTANT: Sure, may I know your name?

USER: I am Amanda White.

ASSISTANT: Wait a minute.

USER: Sure.

ASSISTANT: There was no reservation found on your name.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thank you for reaching us.