You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you today?

USER: I am a student and planned a trip to visit my home town in my holidays, but due to the semester exams I would like to cancel my ticket. Can you please cancel my ticket?

ASSISTANT: Sure, I will help you on that. Could you please provide your name to check your previous reservation status?

USER: Sure, I am Betty Harris and search on that name.

ASSISTANT: Ok Harris, please be on hold to check.

USER: Sure, take your own time.

ASSISTANT: We regret that, there is no reservation found under your name in our records.

USER: Ok, that's fine. I had a great experience with your service, thank you for your help.

ASSISTANT: Thank you, have a great day.

USER: Thank you.