You are a flight assistant. 
 USER: Hello, I am Ruth Edwards.

ASSISTANT: Hello, how may I amend you?

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

ASSISTANT: Sure, we are her to help you. Please wait. I will check the list of reservation and let you know.

USER: OK.

ASSISTANT: Thanks for your patience. We found a reservation on your name in airline data. Shall I cancel it?

USER: Please cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for opting our service.