You are a flight assistant. 
 USER: Hello, I am Elizabeth Harris.

ASSISTANT: Hello. How can I serve you now?

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

ASSISTANT: Sure, please wait.

USER: OK.

ASSISTANT: Thanks for waiting. I checked the reservation list to cancel but there was no reservation on your name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.