You are a flight assistant. 
 USER: Hello, I am Anthony Miller.

ASSISTANT: Hello, how can I aid you today?

USER: I have to attend my niece's marriage, so please book a flight ticket from IL-ORD to TX-DFW.

ASSISTANT: Sure, can I know your journey dates?

USER: And my departure day is 09/19, return day is 09/21.

ASSISTANT: Please wait for a while. I will check and let you know.

USER: Sure.

ASSISTANT: Thanks for your patience. We found a flight that fits your requirement with airline number 1001 and airline name JetBlue.

USER: May I know the price?

ASSISTANT: Yes, price is 100. Shall I proceed with booking?

USER: Yes please.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you for connecting with us. Have a good day.