You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me in booking flight ticket from OAK to LAS.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My trip dates are Jan 12 to Jan 14.

ASSISTANT: Do you have any limits on number of connections?

USER: I am okay with any flight.

ASSISTANT: Do you have any specifications on your journey?

USER: No.

ASSISTANT: May I know your name for the booking process?

USER: Justin Taylor here.

ASSISTANT: Frontier Airlines providing a flight with the price 200 with single connection. Can I proceed for the booking?

USER: You can book.

ASSISTANT: Your flight ticket reservation done with the flight number 1000.

USER: Thank you for booking.

ASSISTANT: Welcome, thank you for reaching us.