You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you today?

USER: I want to book a round trip ticket with DFW.

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

USER: I am travelling from Sept, 9 to Sept, 11.

ASSISTANT: May I know your name?

USER: My name is Gary Scott.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Here, I found a flight for you with 1 stopover and it costs you 100. Can I proceed?

USER: I need a direct flight.

ASSISTANT: Sorry, no direct flights are available on your travelling dates.

USER: Thanks.

ASSISTANT: Thank you for reaching us.