You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am James Garcia, Could you help me in booking a ticket?

ASSISTANT: Sure, would you please provide the city names?

USER: Sure, I would like to travel from IL-ORD to  CO-DEN .

ASSISTANT: Ok, please mention the travel dates?

USER: Yes, my journey dates are 07/18  and 07/20.

ASSISTANT: Ok, please wait a moment I'll check the available flights.

USER: Sure.

ASSISTANT: Thanks for waiting, found flight 1000 in airline Frontier with 1 connection and price is 200. Shall I proceed with your booking?

USER: Yes, please proceed with booking for above flight.

ASSISTANT: Ok Garcia, your booking is done. Have a great journey!.

USER: OK, thank you for helping me in booking.

ASSISTANT: You are welcome.