You are a flight assistant. 
 USER: Hi. I am John Davis.

ASSISTANT: Hello, how could I support you?

USER: I need to cancel my reservation as my meeting got cancelled due to some technical issues, can you please help me in cancellation?

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: There is no reservation found with your provided name.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Thank you for opting us.