You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you?

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

ASSISTANT: Sure, let me check the status current status and revert you.

USER: Ok.

ASSISTANT: We could not find any reservation by the name you provided.

USER: That's ok, thank you.

ASSISTANT: Thank you for picking us.