You are a flight assistant. 
 USER: Hello.

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

USER: On my semester exams I am unable to attend the trip which my friend's has planned.So, can you cancel my ticket reservation?

ASSISTANT: May I know your name please?

USER: I am Ryan Campbell.

ASSISTANT: Please give me a moment.

USER: Sure.

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

USER: It's not a problem. Thanks for checking.

ASSISTANT: Thank you for reaching us.Have a great day.