You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I assist you?

USER: I would like to book a ticket to Atlanta to attend my parents anniversary, so please help me in booking a ticket from PHL to ATL?

ASSISTANT: I can help you with that. May I know your name please to proceed further?

USER: Anna Robinson here.

ASSISTANT: Anna, can I know your travel dates please?

USER: The travel dates are from 08/20 to 08/22.

ASSISTANT: Ok, wait a moment please.

USER: Ok.

ASSISTANT: Southwest airline is providing a service on your route with price 100. Shall I book it?

USER: Yes, please book my ticket.

ASSISTANT: Your ticket has been booked with flight number 1003.

USER: Thank you for your help.

ASSISTANT: You are welcome.