You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Frank Miller here.

ASSISTANT: How can I assist you at this moment?

USER: Can you please help me in cancelling my recent reservation? As my planned trip has been cancelled.

ASSISTANT: Sure, I am here to help you in cancelling your reservation. Please be on hold for a moment.

USER: Sure, take your own time.

ASSISTANT: Frank Miller, there is no active reservation found under your name in our database.

USER: That's fine, thank you for giving the information.

ASSISTANT: Thank you for utilising our service.