You are a flight assistant. 
 USER: Hi, Scott Gonzalez here.

ASSISTANT: Hello, how may I help you?

USER: Could you please book me a ticket from ATL to DFW at attend for a conference?

ASSISTANT: Sure, would you please provide your travelling dates?

USER: I want to start from 10/20 and will be back on 10/22.

ASSISTANT: please give me a minute. Delta airlines provide you with a connecting flight with number 1000.

USER: Ok, you can go with booking.

ASSISTANT: Your booking is done with ticket price 200.

USER: Thanks for the help.

ASSISTANT: Thank you for choosing us.