You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am planning to attend a Live concert at Las Vegas, can you please help me in booking?

ASSISTANT: Sure, please share your travelling dates?

USER: I want to travel from 02/24 to 02/26.

ASSISTANT: Kindly mention your airport codes?

USER: My airport codes are from NY-JFK to NV-LAS.

ASSISTANT: May I know your good name please?

USER: I am Rebecca Anderson.

ASSISTANT: Thanks for providing your name, no flights found with your given details.

USER: Ok, no issue. Thank you for your help.

ASSISTANT: Thanks for contacting us.