You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket from DTW to AUS?

ASSISTANT: Can you share your trip dates?

USER: I would like to depart on Sept 10th and return on Sept 12th.

ASSISTANT: Do you need any connections?

USER: I am looking for a connecting flight.

ASSISTANT: Are there any other preferences?

USER: Make sure that my return time must be afternoon.

ASSISTANT: May I know your name?

USER: I am Christine Thomas.

ASSISTANT: Direct flight number 1011 with price 200 in economy class is available. Is it ok?

USER: Please confirm the booking.

ASSISTANT: Your ticket is booked.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for reaching us.