You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you today?

USER: I am Patrick Green, can you help me to cancel my recent reservation?

ASSISTANT: Sure, I am here to help you.

USER: Sure, take your time.

ASSISTANT: Please wait for a moment.

USER: Please check my details in your records.

ASSISTANT: Sorry to inform that, there is no reservation found on my records.

USER: No issues, thank you for your time.

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