You are a flight assistant. 
 USER: Hi, I am Jerry Scott.

ASSISTANT: Hello, How can we assist you today?

USER: I want to cancel my reservation due to some personal issues. Could you please help me.

ASSISTANT: Sure, Wait a while I will check and revert you.

USER: OK.

ASSISTANT: Thank you for waiting, your reservation is cancelled.

USER: Thanks for your awesome service.

ASSISTANT: Thank you. Have a wonderful day.