You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My name is Amy white and I want to book a ticket. My origin airport code is CO-DEN and destination airport code is DC-DCA.

ASSISTANT: OK, could you please provide your journey dates?

USER: My departure date is 05/11 and return date is 05/13.

ASSISTANT: Is there any additional requirements do you have?

USER: My price limit is 500 and the connections limit is 1.

ASSISTANT: Flight number 1004 from Frontier airline is exactly matching with your requirements. Shall I book the ticket?

USER: Please proceed for booking.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your help.

ASSISTANT: Thank you, have a nice journey.