You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I want to cancel my reservation, due to some problems I am unable to travel those dates so can you please cancel my reservation?

ASSISTANT: Sure, I will help you with that. May I know your name please?

USER: Thanks, my name is Samantha Wright.

ASSISTANT: Sorry, there is no reservation found on your name.

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

ASSISTANT: Thank you for approaching us, have a nice day.