You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Jeffrey Campbell. I am planning to visit Outdoor Trivia Race at Dallas & Forth Worth DFW. Can you help me with booking from Austin AUS?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are 11/15 and 11/17.

ASSISTANT: How much can you afford for this particular journey?

USER: I can pay up to 200.

ASSISTANT: We found a direct flight with number 1000. Shall I proceed with it?

USER: No, do not proceed.

ASSISTANT: Thanks for approaching us.

USER: Thank you.