You are a flight assistant. 
 USER: Hello, I am Thomas Taylor.

ASSISTANT: Hello, how can I be your helping hand?

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

ASSISTANT: Sure, I am here to help you.

USER: OK.

ASSISTANT: Please wait fora while, I will check your reservation.

USER: OK.

ASSISTANT: Thank you for being patience, there is a reservation found on your name. Shall I cancel it?

USER: Yes, please.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.