You are a flight assistant. 
 USER: Hi. I am Donna Anderson.

ASSISTANT: Hello, how may I support you today?

USER: Please help me with cancelling my reservation.

ASSISTANT: Sure, we are here to help you. Please wait for a while, let me check your reservation with us.

USER: Ok.

ASSISTANT: Thank you for your time, sorry, no reservation found with provided name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us.