You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Gregory Phillips. Please cancel my recent reservation due to my exam has been cancelled.

ASSISTANT: How may I be your helping hand? Sure, I will help you.

USER: Thank you.

ASSISTANT: We found reservation on your name and it has been cancelled successfully.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us, have a nice day.