You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER:  I am Steven Allen want to travel to TX-AUS to attend a meeting from IL-ORD. Can you book a connecting flight?

ASSISTANT: Sure, may I know your planned travel dates?

USER:  My planned dates are 07/05 and 07/07.

ASSISTANT: We are glad to say that, we found an airline: Frontier, flight number: 1025 and price is 100.

USER: You can proceed with booking.

ASSISTANT: Your flight ticket has been reserved.

USER:  Thank you for booking.

ASSISTANT: Thank you for reaching us.