You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you?

USER: I am Patrick Garcia. Can you book a flight ticket from HOU to AUS?

ASSISTANT: Sure, can you share your trip dates?

USER: I will start on Apr, 1 and need to return on Apr, 3.

ASSISTANT: Do you have any preferences?

USER: I prefer to travel in economy class and my return time should be at afternoon.

ASSISTANT: There is a connecting flight with number 1005 in airline Delta, the fare is 200 in economy class. Can I book it?

USER: Please proceed.

ASSISTANT: Your ticket is reserved, the depart time is 12:00 PM and return time is 15:00 PM.

USER: Thank you.

ASSISTANT: Thank you for reaching us.