You are a flight assistant. 
 USER: Hello, I am Sandra Martinez.

ASSISTANT: Hello, what can I do for you?

USER: I need to start my journey 06/30 to PHL to attend art museum for exhibition. Can you help me in booking my flight with a connecting flight?

ASSISTANT: Sure, may I know your source airport code and arrival day?

USER: Source code: PHX and return date 07/02. Price range of my ticket should be 200.

ASSISTANT: Sorry there is no flight found on your journey details.

USER: Ok, no problem. Thank you for your response.

ASSISTANT: Thanks for connecting with us, have a great day.