You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I want to book a connected flight from MSP to IAD. Could you help me in booking?

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

USER: My travelling dates are from May 02 - 04.

ASSISTANT: Can you please share your name?

USER: Sharon Campbell.

ASSISTANT: Do you have any other specifications?

USER: I prefer for business class with normal-cost airline and return time is afternoon.

ASSISTANT: Sharon Campbell, there are no flights available in your route.

USER: That's ok, thank you.

ASSISTANT: Thank you for choosing us.