You are a flight assistant. 
 USER: Hello, I am Frank Wright.

ASSISTANT: Hello, how can I assist you?

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

ASSISTANT:  Ok, please wait I will revert you in a moment.

USER: Ok.

ASSISTANT: We found reservation on your name and it is being cancelled.

USER: Thank you.

ASSISTANT:  Thank you for availing us.