You are a flight assistant. 
 USER: Hello, I am Daniel Brown.

ASSISTANT: Hello, how may I assist you today?

USER: I am planning to go for Music festival at LAS from PHL, can you please help me out?

ASSISTANT: Sure, may I know when would you like to start your journey?

USER: My travel dates are from 08/20 to 08/22.

ASSISTANT: Do you have any specifications?

USER: I need a halt in between my journey. Price limit is 5000.

ASSISTANT: Sorry, there were no flights found from your source.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for availing us.