You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

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

ASSISTANT: Do you have any requirements?

USER: I prefer to travel in normal cost airlines with direct flight.

ASSISTANT: Can you please share your travelling dates?

USER: My travel dates are 11/09 and 11/11.

ASSISTANT: May I know your name?

USER: My name is Charles Phillips.

ASSISTANT: Sorry to say, no flight is available for you.

USER: Ok, thank you for the information.

ASSISTANT: Thank you for reaching us.