You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Katherine Hall.

ASSISTANT: How may I help you?

USER: Please help me with cancelling my reservation.

ASSISTANT: Sure, please be on hold.

USER: Ok.

ASSISTANT: Sorry, we did not find any reservation in  your name.

USER: Fine, thanks for the information.

ASSISTANT: Thank you for reaching us. Hope to serve you again.