You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Is this flight ticket booking agency?

ASSISTANT: Yes, welcome to our agency. How can I assist you today?

USER: I am an event organiser and we were planned to do an event, but suddenly it got cancelled, so I would like to cancel my plane ticket. Can you help me?

ASSISTANT: Sure, I will definitely help you with that.

USER: Thanks.

ASSISTANT: Will you please provide your name for checking the reservation?

USER: Sure, my name is Joseph Brown.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: Thank you for waiting. Your reservation is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Welcome, have a great day.