You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I render you today?

USER: I am Joshua Jones. I need to cancel my recent reservation due to tornado in my destination.

ASSISTANT: Ok.

USER: Will you help me in cancelling my ticket?

ASSISTANT: Sure, I will check and revert to you back.

USER: Thank you.

ASSISTANT: Your name is found in the reservation list.

USER: Ok.

ASSISTANT: Can I proceed to cancel?

USER: Yes, cancel my reservation.

ASSISTANT: Your reservation is cancelled.

USER: Thank you for best service.

ASSISTANT: Thank you for opting us. Have a nice day.