You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Emma Miller. I want to start my journey on 04/26 and return journey on 04/28, Can you help me to book a flight ticket on those dates?

ASSISTANT: Can you please tell your travelling codes?

USER: My source airport code CLT and the destination code is AUS.

ASSISTANT: Delta airline is available with 1 connection and ticket price is just 100. Shall I proceed with it?

USER: Ok, please book it.

ASSISTANT: Your reservation is confirmed with flight 1011.

USER: Thank you for booking the flight ticket for me.

ASSISTANT: Thank you and have a nice day.