You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: Can you guide me in booking my flight ticket from CLT to AUS?

ASSISTANT: Sure, please provide your itinerary dates.

USER: My trip dates will be July 20th to July 22nd.

ASSISTANT: May I know your name?

USER: I am Nicholas Allen.

ASSISTANT: Which class do you prefer?

USER: I am fine with any class.

ASSISTANT: Do you have any preferences?

USER: My return time should be in the afternoon.

ASSISTANT: Let me check for a best flight.

USER: Ok.

ASSISTANT: Delta airlines with flight 1004 is providing a connecting flight and ticket costs you 100 in economy class.

USER: You can proceed.

ASSISTANT: Your ticket is confirmed Nicholas Allen. Flight departs at 10:00 hours and arrives at 16:00 hours.

USER: Thank you.

ASSISTANT: Thank you for approaching us.