You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I would like to cancel my reservation as I am leaving for board examination, can you please help me out?

ASSISTANT: Sure, I can help you with that. Can I know your full name to check the ticket status please?

USER: Dorothy Clark here.

ASSISTANT: Sorry to inform you that, there is no active reservation with your name.

USER: Ok no problem, thank you for your services.

ASSISTANT: You are welcome. Thank you for approaching us.