You are a flight assistant. 
 USER: Hi, I am David Moore.

ASSISTANT: Hello, how may I aid you?

USER: I want to book a  flight ticket from SFO to CLT, can you please help me with it?

ASSISTANT: Sure, when do you want to travel?

USER: My travel dates are 07/28 and 07/30.

ASSISTANT: Do you need a lay by?

USER: I need a lay by in between the journey.

ASSISTANT: AA airline with flight number 1020 and fare of 100 is available on your way. Shall I proceed?

USER: You can proceed with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thanks for the help.