You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I support you today?

USER: I am Catherine Jackson. I need to cancel my recent reservation  due to earthquakes occurred in the city. Could you please help me in doing that?

ASSISTANT: Sure, please wait a minute, let me check your reservation with us.

USER: Sure.

ASSISTANT: Thanks for your time, sorry, unfortunately no reservation found with provided name.

USER: Thank you for your valuable information.

ASSISTANT: Thanks for reaching us, have a pleasant day.