You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you?

USER: As my exams got postponed, I would like to cancel my recent reservation.

ASSISTANT: Ok, may I know your name to proceed further?

USER: My name is Jeffrey Turner.

ASSISTANT: Thank you, please stand by.

USER: Ok.

ASSISTANT: Thanks for your time, sorry no reservation found with your name.

USER: Thanks for your quick response.

ASSISTANT: Have a nice day.