You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I am Rachel Williams. I am looking for a flight from Chicago, can you help me out in booking the flight ticket from ORD to IAD?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: My trip dates are from Apr 11th till Apr 13th.

ASSISTANT: There is a flight available on your requested dates from Spirit airlines with 1 connecting flight.Shall I confirm your booking?

USER: Please confirm my booking.

ASSISTANT: Your ticket is booked with flight 1013.

USER: Thank you for your help.

ASSISTANT: You are welcome.