You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: It's time to celebrate our holiday vacation during summer. Can you please book me a flight ticket to Austin?

ASSISTANT: Sure, kindly mention your airport codes?

USER: Sure, airport codes are from ORD to AUS.

ASSISTANT: May I know your travel dates?

USER: I need to travel on 04/26 and return on 04/28.

ASSISTANT: OK, please wait a moment.

USER: Sure, I will wait.

ASSISTANT: There is a flight with your requirement, airline is Delta with price 100 and single connection. Shall I proceed with booking?

USER: Please proceed for booking.

ASSISTANT: Your booking is done. May I know your name?

USER: Elizabeth Harris is my name.

ASSISTANT: Thanks for reaching us,have a good day.