You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Cynthia Campbell here.

ASSISTANT: How may I lend a hand to?

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

ASSISTANT: Campbell, I am here to help you. Let me check your reservation status in our database.

USER: Sure, take your own time.

ASSISTANT: Campbell sorry for inconvenience, no reservation is available with your criteria.

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

ASSISTANT: You are welcome.