You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you for this day?

USER: Myself Susan Taylor. I will be travelling to SFO for meeting by company CEO, can you book me a flight?

ASSISTANT: Ok, I can help you out with that. Can you please tell me meeting dates?

USER: My dates are from 01/19 to 01/21.

ASSISTANT: May I know your source code?

USER: My source code will be from CLT. Check if the price is 500 or below it.

ASSISTANT: Ok, sure. As per your details there is a flight with price 100 and  airlines jetBlue.

USER: Please book it.

ASSISTANT: Ok, your ticket has been booked with number 1023.

USER: Thank you for booking a flight for me.

ASSISTANT: You are welcome.