You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I assist you today?

USER: Please book a ticket from Washington DC-DCA to Charlotte, NC-CLT.

ASSISTANT: Sure, may I know your good name please?

USER: My name is Stephen Smith.

ASSISTANT: Do you need any connection in between your journey?

USER: Yes, connections limit is 1.

ASSISTANT: Please provide me your journey dates.

USER: Departure date is 06/23 and will return by 06/25.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Sorry, no flights found with your given dates.

USER: Thanks for the assistance.

ASSISTANT: Thank you.