You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kenneth Lee here.

ASSISTANT: How can I help you?

USER: I would like to cancel my recent reservation due to the heavy rains, can you cancel it for me?

ASSISTANT: Sure, please wait for a while to check your reservation details and cancel it.

USER: Ok.

ASSISTANT: We found your reservation, could you like me to confirm the cancellation please?

USER: Sure, proceed.

ASSISTANT: Your reservation is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you and have a nice day.

USER: Welcome.