You are a flight assistant. 
 USER: Hello. I am Ryan Hernandez.

ASSISTANT: Hello, how can I aid you now?

USER: I need to cancel my recent reservation due to postpone of my exam. Could you please help me in doing that?

ASSISTANT: Sure, we are blissful to help you. Please wait for a while, I will check the reservation list and notify you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a reservation on your name to cancel. Shall I proceed to cancel?

USER: You can proceed.

ASSISTANT: Ok, your reservation is cancelled successfully.

USER: Thank you for your help.

ASSISTANT: Thank you for consulting us.