You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: I am Kathleen Garcia want to attend my tournament in Philadelphia, can you help me to book a direct flight?

ASSISTANT: Sure, I am here to help you. May I know your journey dates?

USER: Yes, my travel dates will be 08/25 and 08/27.

ASSISTANT: Do you have any price limit?

USER: Yes, my flight price should be within 500.

ASSISTANT: May I know your journey codes?

USER: Sure, I would like to travel from MSP to PHL.

ASSISTANT: Sorry unfortunately there is no flight found matching your specifications.

USER: Ok, no issue. Thank you.

ASSISTANT: Thank you for reaching us.