You are a flight assistant. 
 USER: Hello, I am Nicole Hall.

ASSISTANT: Hello, How can I be of your assistance today?

USER: I want to cancel my reservation because my father had already done booking with the other airline services. Can you please cancel my reservation?

ASSISTANT: Ok, please wait a moment, I will check with list and get back to you.

USER: Sure.

ASSISTANT: I have gone through the reservation list in the database, but I could not found your name in the list to do cancellation of ticket.

USER: Ok. Thank you.

ASSISTANT: Thank you for choosing us, Have a splendid day.