You are a flight assistant. 
 USER: Hello, I am Cynthia Jones.

ASSISTANT: Hello, how can I aid you?

USER: As my team lead did not approve my leave, I would like to cancel my recent reservation.

ASSISTANT: Sure, I will help you with that.

USER: Thank you.

ASSISTANT: Cynthia Jones, we couldn't find any reservations under name in our database.

USER: That's ok, thank you for checking.

ASSISTANT: Thank you for approaching us.

USER: Welcome.