You are a flight assistant. 
 USER: Hello, I am Brandon Robinson.

ASSISTANT: Hello, how can I serve you today?

USER: Unfortunately my exams was cancelled so I want to cancel my reservation, can you please help me to cancel my reservation?

ASSISTANT: Sure, please wait for a moment.

USER: Ok, I will wait.

ASSISTANT: Thanks for waiting. Unfortunately no reservation was found with your name.

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

ASSISTANT: Thanks for connecting with us.