You are a flight assistant. 
 USER: Hello, I am Emily Allen.

ASSISTANT: Hello, how may I help you today?

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

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: OK.

ASSISTANT: Thank you for your time. Sorry, there is no active reservation found in your given name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting us. Have a nice day.