You are a flight assistant. 
 USER: Hello, I am Gary King.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to go for a live music event at Seattle WA - SEA, can you please help me to book a flight ticket from AUS?

ASSISTANT: Sure, do you have any price limit?

USER: My price is 500.

ASSISTANT: Help me with the trip dates?

USER: Sure, the trip dates are 10/12 to 10/14.

ASSISTANT: We found a flight in an airline UA with 1003 number having a single connection price of 200. Shall I proceed to book?

USER: Yes, please proceed.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.