You are a flight assistant. 
 USER: Hello, my name is Matthew Thomas.

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

USER: I have to attend a science event in Houston. Can you please help me to book the flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: Sure, I will depart on 12/26 and return back on 12/28.

ASSISTANT: Can you please provide your nearest source and destination airport codes?

USER: Sure, I will travel from LAS to HOU.

ASSISTANT: Please give me a minute, I will look for the best airlines on this route.

USER: Sure.

ASSISTANT: I found a flight with price 200 in Frontier airlines with connection limit 1, would you like me to proceed with the booking?

USER: Sure, you can proceed.

ASSISTANT: Your booking is confirmed with flight number 1027.

USER: Thank you very much for booking the ticket for me.

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