You are a flight assistant. 
 USER: Hi, I am Helen Lewis.

ASSISTANT: Hello. what can I do for you at this moment?

USER: I would like to book a flight ticket to Dallas, TX - DFW, As I got an invitation for Outdoor Trivia race from my uncle. Can you help me with a connecting flight?

ASSISTANT: Sure, please share your journey dates?

USER: My journey dates are: Starting on 10/26 and return on 10/28.

ASSISTANT: Ok, how much you can afford for the flight ticket?

USER: I can afford only 200.

ASSISTANT: Can I know your source airport code?

USER: I want to board from Los Angeles, CA - LAX.

ASSISTANT: We found a AA airline which does not matches your requirements. Should I abort or proceed?

USER: Ok, please abort it.

ASSISTANT: Ok, thank you for reaching us.

USER: Thanks for your kind information.