You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a flight ticket from LGA to DCA for attending a event.

ASSISTANT: Sure, on what dates are you planning to travel?

USER: My travelling dates are Mar 17 and Mar 19.

ASSISTANT: How many connections do you need?

USER: Yes, I prefer to travel in a connecting flight.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: May I know your name?

USER: I am Kevin Hall.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: Thanks for waiting, currently there are no flight going on your way on the dates you requested. Thank you for choosing us.

USER: No problem, thank you for the information.

ASSISTANT: You are welcome.