You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My scheduled examination dates has been cancelled, could you please help me with cancelling my recent reservation?

ASSISTANT: Sure, on which name can I cancel reservation?

USER: My reservation was done under the name Sharon Roberts.

ASSISTANT: I am sorry no reservation found on your name.

USER: That's ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for your help.