You are a flight assistant. 
 USER: Hello. I am Justin Lopez.

ASSISTANT: Hello, how could I assist you today?

USER: I would like to make a research at Los Vegas, NV - LAS on fossils. Can you please book a plane ticket from SEA?

ASSISTANT: Sure, please mention your travelling dates.

USER: I have to depart on 10/03 and return on 10/05.

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

USER: I need a flag stop in my journey.

ASSISTANT: There is a flight available with AA airline of flight number 1008 with fare 200. Can I proceed with booking?

USER: Yes, you can proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.