You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Catherine Collins. My family tour trip got postponed, so I want to cancel my reservation. Could you help me in the cancellation?

ASSISTANT: Sure, please wait a minute.

USER: Sure.

ASSISTANT: There is no reservation with your name.

USER: Not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you.