You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Jerry Hall.

ASSISTANT: How can I oblige you?

USER: I need to book a flight ticket from TX-DFW to IL-ORD.

ASSISTANT: Ok.

USER: Could you please help me with booking a flight ticket?

ASSISTANT: Sure. How much you can afford for this journey?

USER: I can pay up to 5000.

ASSISTANT: Let me know your travelling dates to check the flights.

USER: I want to fly on 04/28 and return on 04/30.

ASSISTANT: Please, wait. There is a flight with airline: Delta, flight number:1019, price 300,1 connecion.

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.