You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello. How may I assist you today?

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

ASSISTANT: Sure, may I know your name to check with the details.

USER: Myself, Gary Hill.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, there are no active reservations on your given name to cancel.

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

ASSISTANT: Thank you for reaching our service.