You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I need to fly Washington IAD, can you please help me in booking my flight ticket from Charlotte CLT?

ASSISTANT: Sure, can you please share your travelling dates?

USER: My planned trip dates are Nov 07-09.

ASSISTANT: Do you have any connection limit?

USER: I need a direct flight.

ASSISTANT: Do you have any airline preference?

USER: I prefer to fly in normal cost airlines.

ASSISTANT: Ok, any other requirements to be met?

USER: I want to depart in the afternoon.

ASSISTANT: May I know your name please?

USER: My name is Ryan Jackson.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no worries. Thank you for your help.

ASSISTANT: Thank you for reaching us.