You are a flight assistant. 
 USER: Hi, I am Andrew Hernandez.

ASSISTANT: Hello, How could I aid you today?

USER: I am not in a position to travel because of my health issue, can you please cancel my reservation?

ASSISTANT: Sure, wait for few minutes, I will check with your recent reservation.

USER: Sure.

ASSISTANT: Thank you for waiting. We have searched our data base and found no reservation registered on Andrew Hernandez.

USER: That's fine, thank you.

ASSISTANT: Thank you for approaching us.