You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Gregory Robinson here. I want to cancel my recent reservation due some health issues, can you help me in doing that?

ASSISTANT: Sure, I am here to help you. Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Thanks for your time, there is no active reservation found in your name.

USER: Ok, no issues thank you for the information.

ASSISTANT: Thank you for reaching us.