You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: Can you please help me in cancelling my recent reservation?

ASSISTANT: Sure, can I have your name please?

USER: My name is Charles Martin.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a reservation on your name and successfully cancelled.

USER: Ok, Thank you.

ASSISTANT: Thank you for opting us.