You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

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. May I know your good name.

USER: Sure, Elizabeth Adams here.

ASSISTANT: Sorry, we found no reservation on your given name.

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

ASSISTANT: Thank you for reaching us.