You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello.

USER: I am Mary Martin.

ASSISTANT: How can I help you today?

USER: As I have fallen sick suddenly due to bad weather, I would like to cancel my recent reservation. Can you please help with that?

ASSISTANT: Sure, please wait for a  while.

USER: Sure.

ASSISTANT: Sorry, no reservation found on your name.

USER: Ok. no issue. Thank you.

ASSISTANT: Thank you for approaching us.