You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: Myself Samuel Parker, can you help me to cancel my reservation which is existing?

ASSISTANT: Ok I will help you, please wait for a while.

USER: Ok, please take your time. I will wait.

ASSISTANT: I have found a reservation in our records and I have cancelled it.

USER: That's good now I can book the flight with new dates. Thank you for assisting me with my concern.

ASSISTANT: Thank you for reaching us.