You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Rachel Smith.

ASSISTANT: How may I assist you today?

USER: Can you please book a flight ticket from AUS to ORD?

ASSISTANT: Sure, can you mention your journey dates?

USER: Sure, I need to travel on dates of 03/28 and 03/30.

ASSISTANT: Please hold a moment.

USER: Sure, take your time.

ASSISTANT: There is a direct flight in Hawaiian airlines with the price 200, can I reserve flight ticket?

USER: That is fine, please proceed with booking.

ASSISTANT: You ticket has been reserved with the flight number 1007.

USER: Thank you for your help.

ASSISTANT: Thank you for opting our service.