You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am planning to cancel my recent reservation, due to health issue. Can you please help me out?

ASSISTANT: Sure, I am perky to help you.

USER: Thank you.

ASSISTANT: On whose name, I have to check the reservation?

USER: My name is Roberts Taylor.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: We are sorry to inform you that, no reservation was found on your name to cancel.

USER: That's fine, thank you for your service.

ASSISTANT: Thank you for opting us.