You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: As my manager did not approve my leave, I would like to cancel my recent reservation.Can you please help me out with that?

ASSISTANT: Sure, may I know on what name do you have reserved?

USER: Thank you for accepting my request, I had reserved it on the name of Linda Baker.

ASSISTANT: Sorry Linda Baker, there is no active reservation on your name.

USER: Oh! I think it might be cancelled by my brother. Anyway, thank you for the information.

ASSISTANT: Thank you so much for communicating us.