You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I would like to cancel my recent reservation, can you help me in that?

ASSISTANT: Sure, may I know your name to check for the reservation state?

USER: Sure, the ticket has been reserved on the name Kevin Williams.

ASSISTANT: Ok, please can you wait a moment?

USER: Sure, I will wait for your response.

ASSISTANT: Sorry, there is no reservation been found on your name to reserve.

USER: That's ok, no problem. Thank you for the information.

ASSISTANT: Thank you for choosing our agency.