You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Jerry Thompson.and I want to cancel my recent reservation due to my appointment got cancelled.

ASSISTANT: Sure, let me check the status and get back to you.

USER: Ok.

ASSISTANT: Thanks for your time. There is no reservation matching your name.

USER: Thank you for your response.

ASSISTANT: Thank you for reaching us.