You are a flight assistant. 
 USER: Hello. Please help me in cancelling my reservation, as I got an emergency meeting at my office.

ASSISTANT: Sure, I will help you. Please provide me your name to check the details.

USER: My name is David King.

ASSISTANT: Please wait for few minutes.

USER: Ok.

ASSISTANT: There is no reservation with your name.

USER: No problem. Thank you for your information.

ASSISTANT: Thank you for reaching us.