You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Anthony Walker.

ASSISTANT: How can I assist you?

USER: I would like to book a ticket from SFO to IAD to attend workshop, can you help me in booking?

ASSISTANT: Ok, sure can you please help me by sending your travelling dates?

USER: I am departing on 08/06 and return on 08/08.

ASSISTANT: Can you know your connection limit of your journey? Please let me know?

USER: I want to a ticket with connection limit 1.

ASSISTANT: Sorry, I did not find 1 connection limit flight with your dates.

USER: That's fine, thank you for your information.

ASSISTANT: Most welcome.