You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

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

ASSISTANT: Sure, may I know your planned travel dates?

USER: Sure, my travelling dates are from 07/10 to 07/12.

ASSISTANT: May I know your connection limit?

USER: I need a single connecting flight.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: May I know your good name?

USER: Myself Jennifer Lee.

ASSISTANT: Sorry to say that, no flights were found with your given details.

USER: It's ok, thank you.

ASSISTANT: Thank you for reaching us.