You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: My name is Samuel White. My holiday trip has been postponed, so I would like to cancel my recent reservation.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: White, there are no reservations found with your details. Thank you for approaching us.

USER: That's fine. Thank you for your help.