You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am Carlo Miller, help me to book a flight on 05/01 and return ticket on 05/03? Can you book a connecting flight for me?

ASSISTANT: Sure, I am here to help you. May I know your journey codes please?

USER: I will fly from DC-IAD to AZ-PHX.

ASSISTANT: Ok, we found a flight with number 1017 and airline AA at a price of 100 with 1 connection.

USER: Please proceed with booking.

ASSISTANT: Shall I proceed? Sure. Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us, have a nice day.