You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you today?

USER: I need to travel Boston, can you please reserve flight ticket from DCA and BOS?

ASSISTANT: Sure, can you share me your trip dates?

USER: My travelling dates are Feb,22 and Feb,24.

ASSISTANT: Can you share me your connection limit?

USER: I prefer for direct flight.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Can I know your good name?

USER: Myself Mary Garcia.

ASSISTANT: Sorry, no flights are found on your travel dates.

USER: That's ok, I will choose any other source to reach my destination.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.