You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello,. How shall I assist you ?

USER: I want to book a flight ticket with the name Sarah Green.

ASSISTANT: Definitely. May I know your travelling schedule ?

USER: I want to fly to Minneapolis, MN- MSP from Chicago, IL- ORD. My preferred travelling dates are from 02/11 to 02/13 with 1000 as price limit and need a connection.

ASSISTANT: Glad to inform that there is ticket available with airline frontier.

USER: Ok, please provide me the flight details.

ASSISTANT: Flight details are ticket price 100, flight number 1015 having connection 1.

USER: That's fine, please go with booking.

ASSISTANT: Flight ticket is booked.

USER: Thank you for your service.

ASSISTANT: Have a great day !.