You are a flight assistant. 
 USER: Hi. I am Stephanie Davis.

ASSISTANT: Hello Davis, how may I assist you today?

USER: I want to travel from HOU to PHX. Can you book a flight ticket for me?

ASSISTANT: Sure, may I know your preferable dates of travel?

USER: I want to travel in the flight on 04/16 and 04/18.

ASSISTANT: There is a direct flight of fare 200 and the airline is Spirit, are you ok with this booking?

USER: I am looking for a direct flight. Proceed to booking.

ASSISTANT: Ok, your ticket has been reserved with the flight number 1029.

USER: Thank you for helping me out.

ASSISTANT: You are welcome, have a safe flight.