You are a flight assistant. 
 USER: hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I am planning to visit LAS, can you please help me in booking my flight from IAH?

ASSISTANT: I am here to help you about your flight ticket booking. Can you please provide your planned dates of journey?

USER: Sure, my travel dates are Mar 19th and 21st.

ASSISTANT: Can you please provide your name for booking the flight ticket?

USER: My name is Sarah Harris.

ASSISTANT: Do you need any connecting flight for your journey?

USER: I am comfortable in any number of connections.

ASSISTANT: Do you have any other requirements for your journey?

USER: No.

ASSISTANT: There is a flight with 2 stop overs in between your journey on your route which departures in the evening having a ticket fare of 200 by Southwest airlines. Shall I proceed with the booking?

USER: Please, proceed by booking.

ASSISTANT: I have reserved your flight ticket with the flight 1003 in an economy class.

USER: Thanks for the help.

ASSISTANT: You are welcome, thanks for reaching us. Have a safe journey.