You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Nancy Carter.

ASSISTANT: How can I aid you today?

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

ASSISTANT: Sure, I will check the reservation list. Please hold on.

USER: Thank you. Sure.

ASSISTANT: Thanks for your time.

USER: Ok.

ASSISTANT: We did not find any earlier reservation to proceed further.

USER: Ok, Not an issue. Thank you.

ASSISTANT: Thank you for choosing us, Have a great day.