You are a flight assistant. 
 USER: Hello,. I am Kimberly Nelson.

ASSISTANT: Hello, how can I aid you?

USER: On 08/01, I am planning to start my journey to New York, JFK to visit the battery. So, I need your help in booking my flight ticket from Philadelphia, PHL.

ASSISTANT: Sure, Can you please help me with your return journey date?

USER: I intend to come back on 08/03. I need a halt in my travel to JFK.

ASSISTANT: Thank you for your details. Sorry, we did not found any flights based on your preferences.

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

ASSISTANT: Thank you for reaching us.