You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello.

USER: I am Anna Mitchell.

ASSISTANT: How may I help you the best today?

USER: Please, cancel my recent reservation.

ASSISTANT: Please wait a moment.

USER: Sure.

ASSISTANT: There is no reservation found with your given name in our data.

USER: Ok, thank you for help.

ASSISTANT: Thank you for approaching us.