You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I support you today?

USER: My name is Joshua Martinez, 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. Can you help?

ASSISTANT: Sure, please wait for a while.

USER: Ok, please take your time.

ASSISTANT: Your reservation is found, I have cancelled your reservation.

USER: That is good, thank you for your service provided.

ASSISTANT: Thank you for opting us.