You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Smith.

ASSISTANT: How may I aid you today?

USER: I am trying to cancel my recent reservation because the planned trip got cancelled suddenly due to some financial issues in the family. Can you help me in cancelling the ticket?

ASSISTANT: Sure, I am here to help you out. Please allow me a moment.

USER: Ok.

ASSISTANT: Sorry Catherine Smith, there is no reservation on your name in our database.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you for reaching us.