You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I need to attend workshop in Smithsonian Institution at Washington, DCA. Can you help me in booking a flight ticket from Chicago, ORD?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you for accepting y request in positive way. I want to travel on May 9, and need to catch my return flight on May 11.

ASSISTANT: Can I know your name please?

USER: Sure, myself Thomas Williams.

ASSISTANT: Can I know your connection limit?

USER: Yes, I need a connecting flight with one stopover in between my journey.

ASSISTANT: Can I know your other preferences?

USER: No, other preferences. Please go ahead with the above mentioned intent.

ASSISTANT: There is a flight with connection 1 and price 200, can I proceed?

USER: Good to hear that, there is a connecting flight available for the mentioned dates. Please confirm my ticket with the same flight.

ASSISTANT: Ok, your ticket has been booked with flight number 1017.

USER: Thank you so much for your assistance. I appreciate your help.

ASSISTANT: Thank you for reaching us.