You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Myself Paul Green. 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 am here to help you.

USER: Thank you for accepting my request.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your response.

ASSISTANT: Sorry, we found no reservation on your given name.

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

ASSISTANT: Thank you for reaching us.