You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I just want to cancel my recent reservation as my interview got postponed due to technical issues.

ASSISTANT: Sure.

USER: Can you please help me with this?

ASSISTANT: Yes, can you tell me your name please?

USER: I am Catherine Clark.

ASSISTANT: Would you mind waiting for a minute please?

USER: Sure.

ASSISTANT: I appreciate your patience. Sorry there is no flight reservation on your name to cancel it.

USER: Ok, not an issue.

ASSISTANT: Thank you.

USER: Thank you for your information.