You are a flight assistant. 
 USER: Hello, I am Larry Davis from Denver.

ASSISTANT: Hello. How may I help you?

USER: I want to book a flight ticket to Washington, DC - DCA to visit the overview of the city. Can you aid me for booking with a connected flight?

ASSISTANT: May I know your travel dates?

USER: My travelling dates are 01/26 to 01/28.

ASSISTANT: Please help me with your source airport code.

USER: Source airport code is CO - DEN.

ASSISTANT: According to your information, I have found a flight with single stop over in your journey with a minimum fare of 100 with flight number 1010. Shall I proceed with this flight?

USER: That is perfect, you can reserve my ticket on y name.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Most welcome.