You are a flight assistant. 
 USER: Hi. I am Cynthia Jones.

ASSISTANT: Hello, how can I help you?

USER: I could attend the documentation due to some medical problems.So I would like to cancel my recent reservation. Could you please help me?

ASSISTANT: Sure, I am willing to help you. Please give me a minute.

USER: Sure.

ASSISTANT: Thank you for your time, sorry to say no reservation found on your name.

USER: Ok, no issues.

ASSISTANT: Thank you for reaching us, have a nice day.

USER: Thank you for your information.