You are a flight assistant. 
 USER: Hello. Donna Walker here.

ASSISTANT: Hello, what help you are expecting from us?

USER: I would like to visit Zilker Park in Austin.Can you please help me for booking a flight ticket?

ASSISTANT: Yes, I will help you in booking a flight ticket. Could you please share your travel airport codes?

USER: My airport codes are from JFK to AUS.

ASSISTANT: When do you want to take off and when you return from AUS?

USER: My departure date is 11/04 and return date is 11/06.

ASSISTANT: Ok, do you have any other requirements?

USER: Yes, my connections limit is 1.

ASSISTANT: I found a flight which is at low cost in your route. The airlines is Delta with connection 1. Can I book your ticket with this flight?

USER: Please proceed for booking.

ASSISTANT: I have confirmed your ticket to the flight number 1020. Hope you enjoy the trip.

USER: Thank you for helping me.

ASSISTANT: You are welcome. Thank you for reaching our service agency.