You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Linda Allen here. I want to book a flight ticket from ORD to IAD. Can you find a flight ticket for me?

ASSISTANT: Sure, can you share your travelling dates?

USER: Sure, my preferable dates are on 11/22 and return on 11/24.

ASSISTANT: Do you have any specifications?

USER: Ok, make sure that that connection limit 1.

ASSISTANT: There is a connecting flight with number 1016 in airline UA, the fare is 200.

USER: That's fine, you can go ahead with the ticket confirmation.

ASSISTANT: Your ticket is reserved.

USER: Thank you for your valuable help.

ASSISTANT: Thank you for choosing us.