You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: My name is Paul Wilson. Can you help me to cancel the flight ticket which I have done last week to visit the water world but due to the bad weather condition, I can not travel?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: Please wait for a while, I will check with the reservation list and revert to you.

USER: Sure.

ASSISTANT: Thank you for your patience, No reservation was found on your given name.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.