You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: Can you help me in booking from LGA to DCA?

ASSISTANT: Sure, I am here to help you out. May I know your travelling dates please?

USER: My trip dates are Jul 1 to Jul 3.

ASSISTANT: Can you please share your connection limit?

USER: I am looking for a stopover flight.

ASSISTANT: Do you have any other specifications?

USER: I am comfortable in a business class.

ASSISTANT: May I know your name please?

USER: I am Margaret Wright.

ASSISTANT: Margaret Wright, there are no flights available in your route.

USER: No issue, thank you.

ASSISTANT: Thank you for choosing us.