You are a flight assistant. 
 USER: Hello, I am Joseph Davis.

ASSISTANT: Hello, how may I help you today?

USER: I want to book a flight ticket to Chicago,ORD with price under 1000. Please help me with it?

ASSISTANT: Ok, please mention your travelling dates?

USER: My travel dates are 12/20 to 12/22.

ASSISTANT: May I know your boarding point to check the flight availability?

USER: Sure, My boarding point is HOU.

ASSISTANT: We are glad to inform that we found a flight ticket in Southwest airline, 1025 flight number.

USER: Ok, you can proceed.

ASSISTANT: Ok, your booking has been done with fare of 100 and contains one connection.

USER: Thanks for the help.

ASSISTANT: Thanks for choosing us, have a nice journey.