You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

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

ASSISTANT: Sure, we are here to help you. May I know your name please?

USER: Sure, the ticket has been reserved on the name Matthew Clark.

ASSISTANT: Sorry to inform you that there is no active reservation on your given name.

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

ASSISTANT: Thanks for contacting us.