You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am Stephanie Clark. Could you please book flight from Minneapolis, MSP?

ASSISTANT: Sure, when are you planning to move?

USER: I am planning to move on 07/02 to 07/04.

ASSISTANT: Please share your destination airport code.

USER: To meet my professor, I want to travel to Philadelphia, PHL.

ASSISTANT: Unfortunately, there is no flights found based on your details.

USER: Ok. Thanks.

ASSISTANT: Thank you.