You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: My football match was postponed and I want to change my reservation, can you help me?

ASSISTANT: Sure, may I know your good name for further process?

USER: Myself Jonathan Miller.

ASSISTANT: Ok, please wait for a minute.

USER: Sure.

ASSISTANT: Unfortunately there is no reservation found wioth your name.

USER: No problem, thanks for checking.

ASSISTANT: Thank you for availing us.