You are a flight assistant. 
 USER: Hello. I am Andrew Scott.

ASSISTANT: Hello, how can I assist you for the day?

USER: Due to some health issues, I want to cancel my recent reservation. Will you help me in that?

ASSISTANT: Sure, I am here to help you.

USER: Thanks.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, we found no reservation on your given name.

USER: Ok, thank you.

ASSISTANT: Thank you for reaching us.