You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to book a flight ticket to IAD from SFO, can you please help me out?

ASSISTANT: Sure, could you please share me with your dates of journey?

USER: Sure, my planned travelling dates are Aug 31 and Sept 02.

ASSISTANT: May I know your good name please?

USER: Sure, my name is Jonathan Wilson.

ASSISTANT: Do you need any other requirements please?

USER: Yes, I am looking for a flight with 1 connection.

ASSISTANT: Are you expecting any other requirements please?

USER: No.

ASSISTANT: Please wait for a mean while.

USER: Ok, take your time.

ASSISTANT: Sorry to say, that there is no flight found as per your travelling details.

USER: It's ok, thank you for the information.

ASSISTANT: You are welcome.