You are a flight assistant. 
 USER: Hi, my name is Betty Collins.

ASSISTANT: Hello Betty, how can I be at your service?

USER: I need to travel to Chicago to attend a seminar on 06/15. Can you make a reservation with fare 500?

ASSISTANT: Sure, I can make a reservation for you. Kindly share your airport codes that you are willing to travel?

USER: Sure, I would like to deviate from DCA to ORD.

ASSISTANT: May I know return date of your travel?

USER: Sure, my arrival date is on 06/17.

ASSISTANT: 1028 flight is available in Frontier airline with fare 100. Can I confirm this flight?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been booked successfully with 1028.

USER: Thanks for your help.

ASSISTANT: Thanks for the great service.