You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. Can I know your name?

USER: I am Raymond Hill.

ASSISTANT: How can I aid you?

USER: I want to cancel my recent reservation due to some personal issues. Could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, we are here to help you. Please wait a while.

USER: Ok.

ASSISTANT: Thank you for your time. We didn't  found a reservation by this name.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for picking us.