You are a flight assistant. 
 USER: Hello, I am Donald Thomas.

ASSISTANT: Hello, how can I aid you?

USER: I want to cancel my recent reservation as my baseball match got cancelled. Can you help me out with it?

ASSISTANT: Sure. Please wait for a moment.

USER: Ok.

ASSISTANT: Unfortunately, we did not found any reservation on your name.

USER: That's Ok. Thanks for your response.

ASSISTANT: Thanks for contacting us.