You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Steven Walker.

ASSISTANT: How can I help you today?

USER: I would like to cancel my reservation which is under my name. Can you please help me with that?

ASSISTANT: Ok, please wait till I check with your previous booking.

USER: Sure, take your time.

ASSISTANT: Sorry to inform you, there is no reservation found by your name.

USER: Ok, no issues. Thank you for checking.

ASSISTANT: Have a great day.