You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Could you please check the flight availability in business class to Houston?

ASSISTANT: Sure, I am here to help you. Can you please share your travel dates?

USER: My travel dates are Jan 02 and Jan 04.

ASSISTANT: Ok, can you please share your origin airport code?

USER: Origin is from DFW.

ASSISTANT: Do you have any connection limit?

USER: I am looking for a flight with one connection.

ASSISTANT: May I know your airline preference?

USER: I prefer a normal-cost airline.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, please be on hold.

USER: Houston airport code is HOU.

ASSISTANT: May I know your name please?

USER: My name is Barbara Nelson.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Not a problem, thank you for the information.

ASSISTANT: Thank you for choosing us.