You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I need to cancel my existing reservation, which is done recently. Can you please help me out?

ASSISTANT: Sure, can you share your name?

USER: Thank you for considering my request. Myself Cynthia Hall.

ASSISTANT: We found a reservation under your name, and it has been cancelled successfully.

USER: Thank you for your help in cancelling my reservation.

ASSISTANT: Thank you for reaching us.