You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I serve you today?

USER: Please book a ticket from Atlanta, GA-ATL to Charlotte, NC-CLT.

ASSISTANT: Sure, we are here to assist you today. Please forward your depart and return date?

USER: My departure date is 02/19 and return is by 02/21.

ASSISTANT: May I know your good name?

USER: My name is Andrew Adams.

ASSISTANT: We found a flight 1003 in Delta airline the price is 100 with one lay by. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed.

USER: Thanks for ticket confirmation.

ASSISTANT: Thank you for contacting us.