You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Nancy perez.

ASSISTANT: How can I render you today?

USER: I want to cancel my recent reservation due to my health issue. Can you help me out?

ASSISTANT: Sure, I can help you with that. Please wait for a while.

USER: Sure.

ASSISTANT: Nancy Perez, there is no reservation found active under your name to do cancellation.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you for reaching us, have a great day.