You are a flight assistant. 
 USER: Hello, I am Rachel King.

ASSISTANT: Hello, how can I aid you?

USER: I would like to book a flight ticket to Charlotte to attend my business meeting there.Could you help me in booking from JFK to CLT.

ASSISTANT: Please provide when are you planning to move?

USER: Sure, I would like to fly out from 02/21 to 02/23.

ASSISTANT: Please provide your specifications.

USER: I need a connection within price of 500.

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

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thanks for choosing us.