You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I want to book a ticket to AUS from DTW. Can you help me with it?

ASSISTANT: Sure, can you please tell us your preferable travelling dates?

USER: Yes, I want to start my journey on 04/19 and 04/21 is my return date.

ASSISTANT: The Southwest airline with flight number 1027 is available having price as 200 and connection as 1. Shall I proceed booking?

USER: That is perfect please book the flight ticket.

ASSISTANT: Ok, may I know your name please?

USER: Sure, my name is Nicholas Green.

ASSISTANT: Ok, your plane ticket is confirmed.

USER: Thank you for assisting me.

ASSISTANT: My pleasure.