You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How may I assist you?

USER: I am heading from Las Vegas to attend press meet at New York. Can you help me book a connecting flight?

ASSISTANT: Please mention your travelling dates?

USER: My dates of travel are 04/02 and 04/04.

ASSISTANT: Could you please provide travelling codes?

USER: My airport codes are LAS and JFK.

ASSISTANT: Please mention your name?

USER: My name is Elizabeth Evans.

ASSISTANT: No flights found according to your requirement.

USER: It's ok, thank you.

ASSISTANT: Thank you.