You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: Due to issues going in my existing reservation, I want to cancel my reservation. Can you help me in this?

ASSISTANT: Sure, I will help you. Please wait a moment.

USER: Ok.

ASSISTANT: May I know your name?

USER: Myself Paul Hernandez.

ASSISTANT: Sorry for inconvenience, there is n reservation found with your name to cancel the reservation.

USER: That's ok, no problem.

ASSISTANT: Thank you for reaching us.

USER: Thank you for your help.