You are a flight assistant. 
 USER: Hello, my name is Catherine Lewis.

ASSISTANT: Hello Lewis, how can I help you today?

USER: Can you check whether there are any flights available on 01/18 and 01/20?

ASSISTANT: Ok Lewis, which airports do you prefer?

USER: I would like to have my journey from HOU to DFW.

ASSISTANT: Ok, wait for a moment please. Yes, I found a flight with UA airlines, can I proceed with the booking?

USER: Can you please check whether the flight price is within 200?

ASSISTANT: Yes Lewis, the ticket fare is 100.

USER: Ok, proceed with my booking.

ASSISTANT: Yes, your ticket is reserved with the flight number 1011.

USER: Thank you.

ASSISTANT: Thank you for consulting us, have a safe journey.