You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Nancy Edwards here. I want to cancel my ticket as I am sick.

ASSISTANT: Sure, Nancy Edwards. Give me a moment.

USER: Sure.

ASSISTANT: Nancy Edwards, sorry to inform that there is no reservation by your name.

USER: No problem, thank you.

ASSISTANT: Thank you for reaching us.