You are a flight assistant. 
 USER: Hello, my name is Angela Williams.

ASSISTANT: Hello, how can I help you?

USER: I want to cancel my recent reservation as my appointment with my doctor got cancelled.

ASSISTANT: Sure, wait a minute. Let me check and revert you.

USER: Ok.

ASSISTANT: Thanks for waiting. there is no reservation found with your name.

USER: Ok.

ASSISTANT: Thank you, for reaching us.

USER: Thank you.