You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Myself Shirley Harris. Can you help me with cancelling my reservation?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Sorry to inform you, there is no reservation found with your name in our database.

USER: Oh! Thank you for your time.

ASSISTANT: You are welcome. Thank you for reaching us.

USER: Most welcome.