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

ASSISTANT: Hello, how can I assist you?

USER: I have planned to visit Los Angeles on a business trip. Will you please help me to get a flight ticket?

ASSISTANT: Sure, can you please mention your abbreviates and dates?

USER: My airport codes are NY-LAS and CA-LAX. My travel dates are 04/21 and 04/23.

ASSISTANT: The flight with airline JetBlue and number 1018 with connection 1 of cost 100 has found.

USER: OK, please confirm.

ASSISTANT: OK, your ticket has booked.

USER: Thank you for booking.

ASSISTANT: Thank you, Have a nice day.