You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I render you today?

USER: I am Benjamin Wilson. Can you please cancel my reservation as my friend's wedding has been postponed?

ASSISTANT: Sure, we are here to aid you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for your time, there is no reservation found on your name Benjamin Wilson.

USER: No problem. Thank you.

ASSISTANT: Thank you for opting us.