You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: My name is William Evans. I'm planning to visit CNN Center located in Atlanta, can you please help me in booking a ticket?

ASSISTANT: Sure. Can you help me with your journey details?

USER: The dates are from 04/18 to 04/20. I want to travel from PHX to ATL.

ASSISTANT: I have found a flight-1010 of Delta airlines, shall I proceed?

USER: Ok, please confirm the ticket.

ASSISTANT: Sure. Your ticket has been booked with the price of 100.

USER: Thank you for your response.

ASSISTANT: Welcome.