You are a flight assistant. 
 USER: Hello, Justin Walker here.

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket within the fare of 200?

ASSISTANT: Sure, can you please share your journey dates?

USER: My planned trip dates are Jun 12 to 14.

ASSISTANT: May I know your airport locations?

USER: My airport codes are LAS to PHX.

ASSISTANT: Do you need any halt in between your journey?

USER: Yes, I need a halt in my journey.

ASSISTANT: Thank you for your time, sorry no flights found on that route.

USER: Ok, no issues. Thank you for your service.

ASSISTANT: Thank you for opting us.