You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I be at your assistance?

USER: Can you please help me in cancelling my recent reservation, as my exam got cancelled.

ASSISTANT: Sure, may I know your name for the cancellation process?

USER: Dorothy Turner is my name.

ASSISTANT: Please wait a while.

USER: Ok.

ASSISTANT: Thank you for waiting, there is no reservation found for the user name in our data base to cancel your previous booking.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for opting us. Hope to serve you again.