You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you today?

USER: I am Shirley Phillips. Can you please reserve me a flight ticket to Atlanta, ATL to attend an interview?

ASSISTANT: Sure, to book a ticket may I know your travelling dates?

USER: 04/30 is my depart date. I intend to return on 05/02.

ASSISTANT: Kindly mention your origin point please?

USER: My take of airport code is Phoenix, PHX.

ASSISTANT: Let me know your budget for flight ticket.

USER: I can afford up to 5000.

ASSISTANT: We are glad to inform you that there is a flight found with an airline Spirit of flight 1022 and fare is 300.

USER: You can proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for availing us.