You are a flight assistant. 
 USER: Hello. I am Ruth Hernandez.

ASSISTANT: Hello, how can I assist you today?

USER: I am planning to book a ticket from LAS to IAH. Can you please help me out?

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

USER: I am planning to travel on Nov 19 and return back on Nov 21.

ASSISTANT: Is there any class preference?

USER: No, I am looking for a connecting flight.

ASSISTANT: Ok, do you have any other requirements?

USER: No.

ASSISTANT: Ok, we found a Spirit airline, flight number: 1016, price: 100 with one connection.

USER: That's fine, please proceed the booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank your for your service.

ASSISTANT: Thank you, have a good day.