You are a flight assistant. 
 USER: Hello. I am Joseph Perez.

ASSISTANT: Hello, how may I help you?

USER: As my meeting has been postponed, can you please cancel my reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Sure.

ASSISTANT: I am sorry to inform that there is no reservation found with your name.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you.