You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Could you please help me in  booking a ticket from DFW to ATL where I have a meeting to attend.

ASSISTANT: May I know your desired travel dates please?

USER: My travel dates are Jan 22 and Jan 24.

ASSISTANT: Do you have any specifications?

USER: Yes, I would like to board a single connection flight.

ASSISTANT: May I know your name please?

USER: Emily Jones.

ASSISTANT: Sorry to say, there is no flight on your desired travel dates.

USER: No issue, thank you for the time.

ASSISTANT: Thank you for opting us.