You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Laura Thomas. I want to cancel my flight ticket, due to some problems I am unable to travel those dates so can you please help me with that?

ASSISTANT: Sure, I will help you.

USER: Thank you.

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

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: Thank you for approaching us.