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

ASSISTANT: Hello, how can I aid you?

USER: As the meeting which I want to attend got postponed, I want you to cancel my reservation. Can you please help me?

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: We found your reservation in our database. Shall I cancel it?

USER: Yes, you can.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you for your service.

ASSISTANT: Thank you.