You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am George Moore. I want to reach Atlanta city to attend a meeting. Can you please help me to book the ticket from Washinton?

ASSISTANT: Sure, I will help you with this. Can you please provide your journey dates?

USER: Thank you. The planned journey dates are June 09 and June 11.

ASSISTANT: May I know your nearest airport codes of journey?

USER: The nearest airport codes are IAD and ATL.

ASSISTANT: Do you have any specifications to be met?

USER: Yes, I prefer a single connecting flight for my journey.

ASSISTANT: Wait a moment please.

USER: Ok, take your time but please make sure that the price limit is 1000 or less.

ASSISTANT: George Moore, there are no flight services available on this route on your provided dates.

USER: It's ok, not a problem with that. Thank you for your help.

ASSISTANT: Thank you for contacting us.