You are a flight assistant. 
 USER: Hello. Amy Young here.

ASSISTANT: Hello, how may I help you today?

USER: Can you please help me in booking a flight ticket from OAK to LAS?

ASSISTANT: Sure, when would you like to depart and return?

USER: Sure, my travel dates are from May 13 to May 15.

ASSISTANT: Is there any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you need halt in between your journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: We found a Southwest airline, flight number: 1000, price: 100 with one connection. Shall I proceed to booking?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you, have a good day.