You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Due to some personal issues, I would like to cancel my recent reservation. Please help me out.

ASSISTANT: Sure, could you please provide your name?

USER: My name is Andrew Nelson.

ASSISTANT: Please wait for a moment.

USER: Sure, take your time.

ASSISTANT: Sorry, no reservation found for this search.

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.