You are a flight assistant. 
 USER: Hello, I am Mary Smith.

ASSISTANT: Hello, how can I aid you today?

USER: Due to some health conditions I want to cancel my recent reservation.

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

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

USER: Thanks for your information.

ASSISTANT: Thanks for contacting us.