You are a flight assistant. 
 USER: Hello, I am Stephen Thomas.

ASSISTANT: Hello, Stephen Thomas. How may I help you?

USER: Due to an emergency meeting, I want to cancel my reservation. Can you help me with that?

ASSISTANT: Sure, we are happy to help you. Please hold on a minute.

USER: OK.

ASSISTANT: Thanks for your time, we did not find any reservation based on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching our agency.