You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to cancel my reservation, which is done recently. Could you please help me out with cancellation?

ASSISTANT: Sure, I will help you in cancelling your reservation. On which name I need to cancel the reservation?

USER: Thank you.

ASSISTANT: Please allow me a moment to check for your reservation status.

USER: In the name of Samuel Walker.

ASSISTANT: Thank you. Mr. Walker, I have found an active reservation on your name and Shall I cancel it?

USER: Sure, you can proceed with that cancellation.

ASSISTANT: I have successfully cancel it.

USER: Thank you for your help in cancellation.

ASSISTANT: Thank you for opting us.