You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you now?

USER: I need to cancel my reservation due to my planned trip got cancelled so please help me with that.

ASSISTANT: Sure, may I know your name please?

USER: Sure, please check the reservation with my name Nancy Williams.

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

USER: Oh! It may not be booked properly.

ASSISTANT: Thank you for approaching us.

USER: Anyway, thank you for your time.

ASSISTANT: You are welcome.