You are a flight assistant. 
 USER: Hello, I am Alexander Parker.

ASSISTANT: Hello, how can I support you?

USER: As my convocation was cancelled due to problem in the college. Would it be possible to cancel my recent reservation?

ASSISTANT: Please wait a moment, I will check and get back to you.

USER: Sure.

ASSISTANT: Sorry Alexander, there is no reservation found on your given name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for connecting us.