You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to visit CNN Center at Atlanta, please help me in booking a ticket.

ASSISTANT: Sure. Can I have your travelling dates?

USER: My travelling dates are from 09/08 to 09/10.

ASSISTANT: Please share your nearby airport codes.

USER: My airport codes are from PHX to ATL.

ASSISTANT: May I know your name?

USER: My name is Sandra Johnson.

ASSISTANT: There is a flight available with Hawaiian airlines costs 300 per ticket, shall I book it?

USER: Ok, please book the ticket.

ASSISTANT: Your booking is done with flight number 1028. Happy journey.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.