You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am heading to DFW from DCA to attend a workshop. Can you book me a ticket?

ASSISTANT: Sure, kindly share your travel dates.

USER: I would start on Nov 24th and return on Nov 26th.

ASSISTANT: Do you have any connection limit?

USER: Yes, I need 1 stop over.

ASSISTANT: Is there any other specifications?

USER: No.

ASSISTANT: Please share your name.

USER: I am Patrick Williams.

ASSISTANT: Sorry to say, no flights found with your requirement.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thanks for reaching us.