You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you aid me to book my ticket from LAX to DCA?

ASSISTANT: When you are willing to travel?

USER: My trip dates are May 30 and June 1.

ASSISTANT: May, I know your good name?

USER: Susan Clark here.

ASSISTANT: Do you have any connection limit?

USER: I prefer for connecting flight.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Thank you.

ASSISTANT: Thank you for reaching us.