You are a flight assistant. 
 USER: Hello, Gary Scott here.

ASSISTANT: Hello, Gary Scott, how can I provide assistance to you?

USER: Due to some medical emergency I would like to cancel my recent reservation. Can you help me in doing tis?

ASSISTANT: Sure, we are gleeful to help you. Please hold on for sometime.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation based on your good name.

USER: It's ok, no problem. Thanks for your valuable information.

ASSISTANT: Thanks for contacting us, have a great day.