You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

USER: I am Frank King. Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: Sure, I am here to help you for this. Let me check your reservation status in our records.

USER: Sure.

ASSISTANT: We could not find any active reservation by the name you mentioned above.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.