You are a flight assistant. 
 USER: Hello,. I am  Kimberley White.

ASSISTANT: Hello, how best I can serve you today?

USER: Owing to an emergency I need to cancel my recent reservation. Will you help me in cancelling my ticket?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Sorry we couldn't find any reservation with your name. Thank you for approaching us.

USER: Ok, thank you for sharing information.