You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Carolyn Garcia.

ASSISTANT: How can I assist you?

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

ASSISTANT: Ok, please wait. Sorry, no reservation found on your name to cancel.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for reaching us.