You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER:  I am Daniel Evans.

ASSISTANT: How can I aid you?

USER:  I want to travel to IL-ORD to attend my sister wedding.

ASSISTANT: Ok.

USER: Can you book a connecting flight?

ASSISTANT: Sure. May I know your source code?

USER: I will depart from DC-DCA.

ASSISTANT: To proceed booking I need your travelling dates.

USER: My travelling dates are 06/04 and 06/06.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: There is a flight with airline: Delta, flight number:1015, price 200, 1 connection. Shall I proceed?

USER: You can Proceed.

ASSISTANT: Your ticket has been reserved. Thank you for choosing us.

USER: Thank  you  for booking.