You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to meet my ex-wife, so please book my ticket from DFW to ATL.

ASSISTANT: Sure, may I know your trip dates please?

USER: My itinerary dates are Jan 13 and Jan 15.

ASSISTANT: Do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Ok, can I know your name?

USER: Scott King here.

ASSISTANT: Sorry, we regret to inform you that there is no flight available as per your request.

USER: No problem, thank you.

ASSISTANT: Most welcome.