You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

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, can you please provide your name?

USER: I am Katherine Clark.

ASSISTANT: Please be on hold, Clark.

USER: Sure, take your time.

ASSISTANT: There is no reservation found active on your name, Clark.

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

ASSISTANT: Thank you so much for choosing us.