You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Paul Williams.

ASSISTANT: How may I assist you?

USER: I am planning to travel from HOU to DEN, help me in booking a flight?

ASSISTANT: Sure, I am here to help you. Can you please provide me your travel dates?

USER: My travelling dates are 01/30 to 02/01.

ASSISTANT: Ok, please be on hold for a while.

USER: Ok.

ASSISTANT: Paul, there is a flight available with Southwest airlines and the ticket fare is 100 only. Can I proceed for booking the ticket?

USER: Proceed for booking.

ASSISTANT: Paul, your ticket is booked successfully and have a safe flight.

USER: Thank you.