You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Donald Baker. I want to book a flight ticket to Oakland CA-OAK, help me in booking my flight ticket from IL-ORD.

ASSISTANT: Sure, can you please provide your travel dates?

USER: 04/17 to 04/19 are my travelling dates.

ASSISTANT: Do you need a halt in between the journey?

USER: I need a connecting flight.

ASSISTANT: We found a connecting flight for you, flight details are as UA airline, fare 100 and flight number 1009.

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for choosing us.