You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Brian Campbell, can you help me to cancel my recent reservation?

ASSISTANT: Sure, please wait for a minute.

USER: Ok.

ASSISTANT: Unfortunately, there is no reservation found with your name.

USER: That's ok, may be it is not confirmed. Thank you for assisting me.

ASSISTANT: Thank you for availing us.