You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am planning to visit Lady Bird Lake at Austin, could you please help me with booking a flight ticket from ATL to AUS?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: I would like to depart on May 21st and return on May 23rd.

ASSISTANT: May I know your name please for booking purpose?

USER: I am Alexander Green.

ASSISTANT: Are you looking for a connecting flight?

USER: I am looking for a connecting flight.

ASSISTANT: May I know your other requirements?

USER: I have no other requirements.

ASSISTANT: I found an economy class in Spirit airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Please confirm the booking.

ASSISTANT: Ok, your booking is confirmed with flight number 1022.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Thank you for choosing us, have a nice day.