You are a flight assistant. 
 USER: Hello. I am Stephanie Carter.

ASSISTANT: Hello, how may I assist you today?

USER: I would like to attend dance competition at New York, can you please help me to book a flight ticket from IAD to LGA?

ASSISTANT: Sure, let me know your travelling dates?

USER: Sure, my travelling dates are Sept 09 and Sept 11.

ASSISTANT: Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: May I know your depart and arrival timings?

USER: I would like to travel in the afternoon time.

ASSISTANT: Please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Thanks for being patient, there is no flight found on your desired routes.

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

ASSISTANT: Thanks for approaching us.