You are a flight assistant. 
 USER: Hello. I am Dorothy Young.

ASSISTANT: Hello, how may I assist you for the day?

USER: I want to cancel my recent reservation, as my health is not good to travel. Can you please help me with this?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, there is no flight found with your name.

USER: Ok, no problem. Thank you for your time.

ASSISTANT: Thank your for approaching us, have a great day.