You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I'm Michael 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: Michael Walker, let me check with your previous booking.

USER: Sure, take your time.

ASSISTANT: I am so sorry to inform you, there is no reservation found by your name is our data base.

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

ASSISTANT: Sorry for the inconvenience, thank you for consulting with us.

USER: You are welcome.

ASSISTANT: Have a great day.

USER: Thank you for contacting us.