You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I help you?

USER: I am Jennifer Hernandez. I need to book a ticket to visit the Washington,DC-IAD to know the history of rivers which are passed in the city. Could you please help me in booking a ticket with fare of 1000?

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

USER: I would like to know the details on 09/03, so  please help me in booking a ticket on before and after dates.

ASSISTANT: Ok, where you want to board from?

USER: I want to board from Charlotte NC-CLT.

ASSISTANT: What do you prefer either connecting flight or direct flight?

USER: I need a connection in between the journey.

ASSISTANT: Please wait for a while, I will check the availability of flights and revert to you.

USER: Sure.

ASSISTANT: Thanks for being patience. Sorry to inform you that, there were no flights found with your given details.

USER: No problem, thank you for your information.

ASSISTANT: Thanks for reaching us.