You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Betty Mitchell want to cancel my recent reservation due to an health issue. Can you please help in that?

ASSISTANT: Sure, may I know your name for checking? Sorry, there is no reservation found Betty.

USER: Ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.