You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Can you please help me in booking my flight ticket from LGA to DCA?

ASSISTANT: Sure, can you please let me know your travel dates?

USER: Sure, my travelling dates are from 10/05 to 10/07.

ASSISTANT: Is there any connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other requirements?

USER: I am looking for normal cost airline.

ASSISTANT: May I know your name?

USER: Myself Nicholas Wilson.

ASSISTANT: Please wait for couple of minutes.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.