You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can we help you?

USER: Can you help me in cancelling my recent reservation, as my exam is postponed?

ASSISTANT: I am glad to help you with your concern. Sure, may I know your name to check with the reservation status?

USER: I am Joseph King.

ASSISTANT: Please allow me 2-3 minutes while I check with the status.

USER: Sure.

ASSISTANT: Thank you for waiting, Joseph King. Joseph King, regret to inform that there is no active reservation found under your name to cancel.

USER: Not an issue. That's ok, thank you.

ASSISTANT: Thank you for reaching us!.