You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how may I help you today?

USER: I am Sandra Hernandez. I want to conduct a science festival at Arizona Science Centre, Phoenix. Can you help me in reserving a seat?

ASSISTANT: Sure, please share me your planned journey dates?

USER: I want to travel on 03/14, and need to catch return flight on 03/16.

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

USER: Yes, I need a halt.

ASSISTANT: Please mention your source and destination airport code?

USER: I need leave from my nearest airport LAS to reach PHX.

ASSISTANT: Please mention your budget for flight ticket?

USER: Make sure to check a flight with in a price limit of 200.

ASSISTANT: Thank you for the details, I found a flight of airline Southwest and its fare is 300.

USER: Do not proceed with the booking.

ASSISTANT: Ok.

USER: Thanks for the information.

ASSISTANT: Thank you for reaching us.