You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: I would like to travel from PHL to LAS, can you please book my flight ticket?

ASSISTANT: Sure, I can help you with that. May I know your travel dates please?

USER: Thank you. I have to depart on Feb 17th and return back on Feb 19th.

ASSISTANT: Do you need break in between your journey?

USER: Yes, I need a connecting flight.

ASSISTANT: Please let me know if you have any other specifications.

USER: I don't have any other specifications.

ASSISTANT: May I know your good name please?

USER: My name is Sandra Gonzalez.

ASSISTANT: Spirit airlines is providing a single connected flight with ticket fare of 100, shall I proceed for booking?

USER: Yes, please book the ticket.

ASSISTANT: I have successfully booked you an economy class ticket in flight-1020, have a safe journey.

USER: Thank you so much.

ASSISTANT: Thank you for choosing us.