You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I address you?

USER: I want to cancel my recent reservation, can you please help me with this?

ASSISTANT: Sure, will you please let me know the name on which the reservation was made formerly?

USER: Anthony Clark.

ASSISTANT: Ok, please give me a moment.

USER: Sure.

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

USER: Ok, no problem. Thank you for your information.

ASSISTANT: Thank you for choosing us.