You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I serve you now?

USER: I need to cancel my reservation as I am not able to make my trip. Can you help me with that?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Thank you for considering my request. My name is Scott Williams.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found your reservation in our system data base. Shall I cancel your reservation?

USER: Yes, please cancel it.

ASSISTANT: Your reservation has been cancelled.

USER: Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.