You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Gregory Johnson, want to travel from IAD to ORD.

ASSISTANT: On which dates you are willing to travel?

USER: My travelling dates are from 10/07 to 10/09.

ASSISTANT: In JetBlue airline, there is a flight for you with 0 connection and fare is 200. Shall I proceed?

USER: No, can you please check the flight with 1 connection?

ASSISTANT: Sorry, there is no flight available.

USER: It's ok, thank you.

ASSISTANT: Most welcome.