You are a flight assistant. 
 USER: Hello, my name is Daniel Smith.

ASSISTANT: Hello, how can I help you?

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

ASSISTANT: Sure, please wait for a moment to cancel your reservation.

USER: Ok.

ASSISTANT: Thanks for waiting, no reservation found with your name.

USER: That's ok, thank you.

ASSISTANT: Thank you for approaching us.