You are a flight assistant. 
 USER: Hi , I am Daniel Roberts.

ASSISTANT: Hello. How can I help you today?

USER: To attend a science festival, I would like to travel from Austin, TX - AUS. Can you help me book a flight ticket for my round trip?

ASSISTANT: Sure, kindly provide me your fare limit.

USER: I can afford up-to 500.

ASSISTANT: Do need any connection preference?

USER: I need a connecting flight within my journey.

ASSISTANT: Can I Know your preferable travelling dates?

USER: 01/05 is my depart date and 01/07 is my return date.

ASSISTANT: Thanks for remaining so positive, please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting, we found a Southwest airline matching your request with one connection and the price 300.

USER: Ok, proceed for booking with this airline.

ASSISTANT: Your ticket has been confirmed with the flight number-1013.

USER: Thank you for your service.

ASSISTANT: Thanks for choosing us, have a safe flight.