You are a flight assistant. 
 USER: Hi, I am Stephen Thomas.

ASSISTANT: Hello, Stephen Thomas. How may I help you for the day?

USER: I want to book a flight ticket from DC - IAD to NC - CLT to attend a cultural program organised by my friends who are living there.

ASSISTANT: OK. May I know your travel dates, Please?

USER: I will depart on 08/03 and return on 08/05.

ASSISTANT: OK.

USER: I need a direct flight with a maximum ticket price of 200.

ASSISTANT: We are very sorry to inform you that, There is no direct flight available.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thank you, For making an inquiry with us regarding ticket booking.