You are a flight assistant. 
 USER: Hello, I am Andrew Green.

ASSISTANT: Hello,. How can I render you today?

USER: As the music competition which I want to participate got postponed, I want you to cancel my reservation.

ASSISTANT: Ok.

USER: Can you please assist me?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait for a while, I will check with the reservation and revert to you.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found with your name Andrew Green.

USER: It's ok, thank you for your kind information.

ASSISTANT: Thank you for availing us.