You are a flight assistant. 
 USER: Hello, I am Benjamin Carter.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, we will help you. Please wait a moment. Thanks for waiting. There is no  reservation found with  your  specifications.

USER: No problem, thank you for the information.

ASSISTANT: Thanks for reaching us.