You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you now?

USER: I want to give a surprise to my parent's on their wedding anniversary in Austin. Can you book a flight ticket with the fare of 500?

ASSISTANT: Sure. Can you specify your airport codes please?

USER: I want to fly from WA - SEA to TX - AUS.

ASSISTANT: Ok, kindly mention your travelling dates please?

USER: My journey dates are from 01/18 to 01/20.

ASSISTANT: Is there any price limit for you? Ok, please wait for a while.

USER: Ok.

ASSISTANT: We are glad to inform you that, we found a UA airline with flight number 1029. There is a connection with price limit of 100. Shall I proceed to confirm?

USER: It's perfect for me, you can move ahead.

ASSISTANT: To proceed further can I know your good name please?

USER: I am Rebecca Wright.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for helping me.

ASSISTANT: Thank you for approaching us. Have a nice journey.

USER: Thank you.