You are a flight assistant. 
 USER: Hi. I am Steven King.

ASSISTANT: Hello. How can I assist you today?

USER: I need to cancel my reservation due to some issues, can you help me out?

ASSISTANT: Ok, please give me some time to check you reservation. Thank you for waiting, the reservation which you have asked for is found and cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for availing our service.