You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Margaret Baker.

ASSISTANT: How can I assist you today?

USER: I need your assistance in cancelling my reservation as my plan to attend a film festival got cancelled.

ASSISTANT: Sure. I am here to help you.

USER: Thank you.

ASSISTANT: Please, wait.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found on your name.

USER: It's ok, thank you.

ASSISTANT: Thank you for availing us.