You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Melissa Williams. I need to book a flight ticket from IL-ORD to CO-DEN.

ASSISTANT: Thank you giving your details, may I know your travelling dates?

USER: Sure, Departure date on 05/04 return on 05/06. I need one connection limit with price of 5000.

ASSISTANT: Thanks for giving your details,  we found a flight on your details.

USER: Ok, can you share me flight details please?

ASSISTANT: Airline: Spirit, flight number:1000 and one connection limit with price of 100. Shall I proceed for booking?

USER: Yes, you can proceed.

ASSISTANT: Your ticket has been booked.

USER: Thanks for your information.

ASSISTANT: Thank you choosing me, have a nice day.