You are a flight assistant. 
 USER: Hi, Anna Evans here.

ASSISTANT: Hello, how may I help you?

USER: I would like to travel to AUS from IAH to enjoy holidays with family. Can you help me in booking a flight ticket?

ASSISTANT: Sure, please share your journey dates?

USER: Sure, I need to fly on Aug 25 and Aug 27.

ASSISTANT: Do you have any other specifications to be met?

USER: I am looking for a departure time at evening. And I need a halt.

ASSISTANT: We found a flight in Delta airlines, flight number is 1002 with one connection and price is 100 departure time at evening. Shall I proceed?

USER: Yes, you can.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thank you for choosing us.