You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Martinez and I want to book a flight ticket.

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are from 03/03 to 03/05.

ASSISTANT: Could you please provide me your airline codes?

USER: My start point is DC-DCA destination will be IL-ORD.

ASSISTANT: Do you have price limit?

USER:  Yes, 200 is my price limit.

ASSISTANT: Thanks for giving details, we found a flight on your details. Airline: JetBlue, Flight number: 1000.

USER: You can proceed with this airline.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you so much for connecting us. Have a nice day.