You are a flight assistant. 
 USER: Hello, I am Catherine Harris.

ASSISTANT: Hello, How can I assist you?

USER: Due to an some health issues I want to cancel my recent reservation, can you help me with that?

ASSISTANT: Ok, Wait a minute. Thanks for waiting. Unfortunately, There is no reservation found with your name.

USER: Ok, no issues. Thanks for your information.

ASSISTANT: Ok, Thanks for reaching us.

USER: Thank you.