You are a flight assistant. 
 USER: Hi, Melissa Hernandez.

ASSISTANT: Hello, how may I help you today?

USER: I would like to book a flight ticket to Las Vegas to enjoy hidden valley and primm extreme RZR ride with friends. Can you make a reservation with fare 200?

ASSISTANT: Sure, can you please help me with your journey dates?

USER: Sure, my arrival and departure dates are 01/21 and 01/19.

ASSISTANT: May I know your airport codes please?

USER: Sure, I am leaving from SEA to LAS.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight with Southwest airlines, flight number is 1019 with one connection and price is 100.

USER: Go ahead.

ASSISTANT: Ok, your ticket has been booked.

USER: Thanks for your kind service.

ASSISTANT: Thanks for choosing us.