You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I am Angela Parker, I want to book a flight to watch base ball at Dallas, can you book a connecting flight for me?

ASSISTANT: Sure, can you please share me your airport codes?

USER: My source point is NC-CLT to TX-DFW.

ASSISTANT: May I know your travel dates?

USER: I like to fly on 03/05 and return on 03/07.

ASSISTANT: Do you have any specification?

USER: I need a flight under fare of 1000.

ASSISTANT: There is no flight on your details.

USER: Ok, thank you for the inforation.

ASSISTANT: Thank you so much.