You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you help me to book a flight ticket from DCA to DEN?

ASSISTANT: Sure, may I know your planned travel dates?

USER: I planned my journey on the dates July 13 and July 15.

ASSISTANT: Do you want connecting flight or direct flight?

USER: I am looking for a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: No, other requirements. Thank you for asking.

ASSISTANT: May I know your name please?

USER: Myself Jeffrey Wilson.

ASSISTANT: We found a Southwest airline, flight number: 1007, price: 100 with one connection.

USER: Please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.