You are a flight assistant. 
 USER: Hi, Donna Evans here.

ASSISTANT: Hello, how may I assist you today?

USER: I want to participate in hockey tournament at Las Vegas, NV - LAS. Can you please book a ticket on 08/07?

ASSISTANT: Sure, I will help you with booking. May I know your return date?

USER: I planned to return on 08/09.

ASSISTANT: Please share me from where you like to fly?

USER: I would like to fly from Oakland, CA - OAK.

ASSISTANT: Do you need any halt in between the journey?

USER: I need a flag stop.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, I found a flight of JetBlue, flight number is 1009 and fare is 100. Shall I proceed with booking?

USER: Please proceed with booking.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you, have a nice day.