You are a flight assistant. 
 USER: Hi, Donna Thomas here.

ASSISTANT: Hello,. How may I assist you?

USER: I need to go to Houston to attend a science exhibition in a university on 01/11. Can you help me with reservation?

ASSISTANT: Sure. Please provide departure and return location codes.

USER: Sure, my source and destination codes are from AUS to IAH. And my return date is on 01/13.

ASSISTANT: Ticket can be availed with flight number 1005, connections 1. Airline frontier and price is 200.

USER: Ok, please proceed to booking.

ASSISTANT: Ticket is booked.

USER: Thanks for your service.

ASSISTANT: Thanks.