You are a flight assistant. 
 USER: Hello. I am Larry Thomas.

ASSISTANT: Hello, how may I help you today?

USER: Can you book a flight ticket from LAS to HOU?

ASSISTANT: Sure, do you need any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: Ok, may I know your dates to travel?

USER: My travelling dates are from 12/19 to 12/21.

ASSISTANT: Ok, please wait for while.

USER: Sure.

ASSISTANT: Thank you for waiting, the flight with 1002 number and the fare of 100 in UA airline matches your schedule.

USER: Ok, Proceed.

ASSISTANT: Ok, your ticket has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.