You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you today?

USER: Please reserve a ticket with the name of Paul Williams under the price limit of 5000.

ASSISTANT: Sure. Do you prefer direct flight or connecting flight?

USER: I need a connecting flight.

ASSISTANT: Let me know your selected airport codes.

USER: To meet a family friend on the birthday at DFW, I have to reach there by leaving the Chicago, ORD.

ASSISTANT: Could you please provide your travelling dates?

USER: Travelling dates are 01/30 and 02/01.

ASSISTANT: Please, wait.

USER: Ok.

ASSISTANT: There is a flight with airline: Frontier, flight number:1015, price 100, 1 connection. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for aiding me.

ASSISTANT: Thank you for choosing us.