You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend my Graduation ceremony, so could you book a ticket for me from JFK to LAS on 12/24 and 12/26?

ASSISTANT: Ok, please wait for a moment.

USER: Ok.

ASSISTANT: May I know your good name please?

USER: Janet Harris here.

ASSISTANT: The airline AA with flight number 1019 is available for you.

USER: Please book my ticket.

ASSISTANT: Your ticket is booked successfully.

USER: Thank you for assisting me.

ASSISTANT: Thank you for approaching us.