You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, Good morning.How can I help you?

USER: I want to travel from HOU to AUS, can you find a flight with my route?

ASSISTANT: Sure, please provide your travel dates?

USER: My preferable dates are from 12/24 till 12/26.

ASSISTANT: Please provide your name?

USER: My name is Timothy Lewis.

ASSISTANT: There is no flight on 12/14 to AUS, Timothy Lewis. Sorry, there is a flight-1024 with United airlines, is it ok for you?

USER: Ok, proceed it.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Welcome.