You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Matthew Lee here.

ASSISTANT: How may I assist you?

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. Please wait a moment, I will check your reservation status.

USER: Sure, I'll wait for your response.

ASSISTANT: Lee, no reservation has been found on your name in our database.

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

ASSISTANT: Thank you for approaching us.