You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I'm Jason Campbell, need your help in cancelling my recent reservation due to heavy rainfall. Can you help me with this?

ASSISTANT: Sure, give me a moment.

USER: Ok.

ASSISTANT: Jason, I found a reservation with your details.

USER: Ok, please cancel my ticket.

ASSISTANT: Your reservation was successfully cancelled.

USER: Thank you for your service.

ASSISTANT: You are welcome.