You are a flight assistant. 
 USER: Hello, I am Christopher Smith.

ASSISTANT: Hello, how can I help you?

USER: My plan for family gathering was cancelled, So i want to cancel my recent reservation which was done earlier in last week. Could you please help me?

ASSISTANT: Sure. Please wait for a while.

USER: Sure.

ASSISTANT: We have not found any flight reservation on your given name.

USER: No issues, Thank you for the information.

ASSISTANT: Thanks for choosing us.