You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello,. How may I assist you?

USER: I am Edward King. I want to book a flight ticket to attend a client meeting at TX-AUS from DC-IAD.Can you help me?

ASSISTANT: Sure. Please let me know your travelling dates?

USER: 02/02 and 02/04 are my travelling dates.

ASSISTANT: May I know ticket price limit?

USER: 5000 is my price.

ASSISTANT: Found connecting flight 1012 with airline Southwest, for price 100. Shall I book ticket?

USER: You can reserve it.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thanks.