You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: I need to cancel my recent reservation, as my project extension has been cancelled by my client. Could you please help me in cancelling?

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: To proceed further, May I know your name?

USER: Sure, I made a reservation on the name of Donald Baker.

ASSISTANT: Ok, thank you. Please wait a moment, I will check the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thanks for waiting, I have checked all the reservation list but I could not find your name in the list.

USER: Ok, no issues, it might be cancelled by manager it seems. Any ways thank you for your quick response.

ASSISTANT: Thank you for choosing us.