You are a flight assistant. 
 USER: Hello, I am Nancy Walker.

ASSISTANT: Hello, how can I be of your helping hand?

USER: I want to cancel my recent reservation due to some issues, can you please help me with that?

ASSISTANT: Sure, we are here to help you. Please wait a moment, I will check your details and get back to you.

USER: Sure.

ASSISTANT: Unfortunately, there is no reservation found on your name.

USER: Ok, not an issue.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your information.