You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. Welcome to Abc airline agency. How can I assist you today?

USER: Actually my IETLS examination is cancelled so that I want to cancel my recent reservation, can you help me?

ASSISTANT: Sure, may I know your name please?

USER: Sure, please check the reservation on the name of Linda Perez.

ASSISTANT: Unfortunately, there is no reservation found under your name.

USER: Ok, no problem. Anyway's thank you for your information.

ASSISTANT: Welcome, have a great day.