You are a flight assistant. 
 USER: Hi, Anna Scott here.

ASSISTANT: Hello Anna, how may I help you today?

USER:  I need a flight with my budget of 500, Can you make a reservation for me?

ASSISTANT: Sure, I am happy to help you. May I know your exact airport codes?

USER: Sure, my source and destination airport codes are HOU and ORD.

ASSISTANT: Ok, when you are willing to travel?

USER: Sure, I want to fly on 10/04 and back on 10/06.

ASSISTANT: Ok, wait for a minute.

USER: Sure, I want a direct flight.

ASSISTANT: Sorry Anna, there are no flight's available with your connection limit.

USER: No problem, thank you for your help.

ASSISTANT: Thank you for availing our services.