You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand today?

USER: Can you help me in cancelling my recent reservation with the name Gregory Thompson?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check the reservation on your name and get back to you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name and it is cancelled successfully.

USER: Thank you for your assistance.

ASSISTANT: Thank you for opting us.