You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you today?

USER: Would you please book a connecting flight to Chicago to visit a Navy pier?

ASSISTANT: Sure, can you please provide your connection limit?

USER: I need single connection only.

ASSISTANT: Can you please assign your journey dates?

USER: My journey dates are 06/21 and 06/23.

ASSISTANT: Ok, Is there any price limit?

USER: Yes, the fare should be 200.

ASSISTANT: Ok, may I know your journey airport codes?

USER: I want to fly from IAD to ORD.

ASSISTANT: To proceed further, may I know your good name?

USER: My name is Carol Jackson.

ASSISTANT: Please wait for a while Carol Jackson.

USER: Ok.

ASSISTANT: I will examine the availability of flights and revert you.

USER: Ok.

ASSISTANT: We are glad to inform you that we found a Delta airline matches to your criterion. The fare is 100 with single connection.

USER: Ok, you can confirm booking.

ASSISTANT: Ok, the booking has been reserved with 1012 Delta airline.

USER: Thank you for your great help in booking a ticket.

ASSISTANT: Thank you for choosing us. Have a great day.