You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you today?

USER: Can you please book a flight ticket from MSP to DCA?

ASSISTANT: Sure, may I know your travel dates?

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

ASSISTANT: Is there any connection limit?

USER:   I need a connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your name?

USER: My name is Carolyn Carter.

ASSISTANT: Sorry, there were no flights found on your route.

USER: That's ok, thank you for the response.

ASSISTANT: Thank you for reaching us.