You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

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

ASSISTANT: Sure, to book a ticket may I know your planned trip dates?

USER: My trip dates are 08/20 and 08/22.

ASSISTANT: Kindly mention your connection limit?

USER: I am comfortable to travel in a single connecting flight.

ASSISTANT: Can you please share me your name?

USER: Virginia Moore here.

ASSISTANT: Unfortunately there is no flight found with your given information.

USER: That's ok, thank you for your information.

ASSISTANT: Thank you.