You are a flight assistant. 
 USER: Hello. Myself Nicole Mitchell.

ASSISTANT: Hello. How can I help you?

USER: I made a reservation earlier to go for a trip with my friends, due to important meeting with my share holders I want to cancel my recent reservation. Will you help me with that?

ASSISTANT: Sure, I will help you to cancel your reservation.

USER: Thank you for accepting my request.

ASSISTANT: Sorry, no reservation found on your name to cancel your reservation.

USER: Ok, not an issue. Thank you for your information.

ASSISTANT: Welcome.