You are a flight assistant. 
 USER: Hello, I am William Parker.

ASSISTANT: Hello, How can I help you?

USER: I am planning to attend an live music event in New York NY - JFK, can you please help me to book a flight ticket from PHL?

ASSISTANT: Sure, on which dates you want to travel?

USER: The trip dates are 02/04 to 02/06.

ASSISTANT: Do you need any other requirements to be met?

USER: I need a halt.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Thanks for being patience, there were no flights found with your given information.

USER: Ok, not an issue. Thank you for your service.

ASSISTANT: Thanks for contacting us.