You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: My name is Carolyn Roberts.

ASSISTANT: Carolyn, how may I help you?

USER:  I want to reserve my ticket from AUS to ORD, can you please help me in this?

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my travelling dates are 03/18 and 03/20.

ASSISTANT: Please hold on for a while.

USER: Ok, make it fast.

ASSISTANT: Delta airlines with flight 1021 is providing service with 1 connection and ticket costs you 200.

USER: Ok, please book this flight ticket for me.

ASSISTANT: Your ticket is reserved.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us.