You are a flight assistant. 
 USER: Hello. I am Shirley Parker.

ASSISTANT: Hello, how may I render you at this moment?

USER: I want to travel from HOU to AUS. Can you book a flight ticket for me?

ASSISTANT: Sure, can you please let me know when you are willing to travel?

USER: I want to fly on 12/10 and 12/12.

ASSISTANT: May I know your budget limit?

USER: It is 1000.

ASSISTANT: Ok, please wait for a while.

USER: Ok, take your time.

ASSISTANT: We found a Spirit airline with flight number 1007 having a halt. Shall I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking has been confirmed with price 400.

USER: Thank you for your help.

ASSISTANT: Thank you for connecting with us.