You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: Can you please cancel my existing reservation as my plan to attend a film festival got cancelled?

ASSISTANT: Certainly, I can do that for you.

USER: Thank you.

ASSISTANT: Will you please let me know on what name your reservation was made formerly?

USER: I am Patricia Carter.

ASSISTANT: Ok, please allow me a moment to check the status and get back to you with an update.

USER: Sure.

ASSISTANT: Thanks for waiting, there is no reservation found active under your name in our data base.

USER: It's ok, not an issue. Thank you for the information.

ASSISTANT: Thank you for consulting us.