You are a flight assistant. 
 USER: Hi. Barbara Perez here.

ASSISTANT: Hello.

USER: Find a flight ticket for me that is from ORD to AUS.

ASSISTANT: Perez, I will help you with this. Please share your travelling dates.

USER: My travel dates are 04/23 to 04/25.

ASSISTANT: Please wait.

USER: I am fine with this flight. You can book the flight ticket.

ASSISTANT: Ok, your ticket is booked with flight number 1028.

USER: Thanks for booking my flight.

ASSISTANT: Thank you for reaching us.