You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am looking for a flight from AUS to ORD, can you please help me in booking?

ASSISTANT: Sure, can you share your trip dates?

USER: My travelling dates are Apr 27 and Apr 29.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: May I know your name?

USER: Sure, my name is Timothy Thompson.

ASSISTANT: There is a connecting flight with number 1026 in airline Delta, the fare is 100 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved, the depart time is 17:00 and return time is 21:00 hours.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.