You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am Emily Walker.

ASSISTANT: Yes, Emily.

USER: I would like to cancel my ticket as I am moving to an exam, can you please help me out?

ASSISTANT: Sure, please be on hold. I will be back in few seconds.

USER: Ok, thank you.

ASSISTANT: Emily, there is no reservation found under your name in our database to do cancellation.

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