You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you today?

USER: Could you please help me to cancel my recent reservation as my plan to meet my grand parents got postpone?

ASSISTANT: Sure, may I know on whose name you make a reservation?

USER: My name is Jonathan Carter.

ASSISTANT: Please stay online.

USER: Sure.

ASSISTANT: Thank you for your time, we did not find any active reservation with your name in our database.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.