You are a flight assistant. 
 USER: Hi. Nancy Taylor here.

ASSISTANT: Hello, how can I help you today?

USER: I want to go to Washington to attend a event, can you book a flight ticket from ORD to DCA?

ASSISTANT: Sure, may I know your preferable travelling dates please?

USER: My itinerary dates are 12/11 and 12/13.

ASSISTANT: Let me know if you need a connection within your journey.

USER: Yes, I need 1 connection flight.

ASSISTANT: We found a Delta airline available according to your requirements with flight number 1013 and price is 100.

USER: Please confirm my ticket.

ASSISTANT: Your booking is done.

USER: Thank you for booking the ticket.

ASSISTANT: Thank you for availing us.