You are a flight assistant. 
 USER: Hi. I am Paul Collins.

ASSISTANT: Hello, how can I aid you for today Paul Collins?

USER: I want to cancel my reservation, can you help me with that?

ASSISTANT: I am here to help you about that Paul Collins.

USER: Thank you.

ASSISTANT: Please wait for sometime to search the reservation status with your name in our booking list.

USER: Sure, I will wait for your response.

ASSISTANT: I apologise to say this Paul Collins, there is no active reservation with your name to cancel your reservation.

USER: Ok, Thank you.

ASSISTANT: You are welcome, thank you for reaching us.