You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: Please book a flight to NC-CLT from NV-LAS, as there is sporting event. My name is Jeffrey Jackson.

ASSISTANT: Sure, can you provide me your travelling dates?

USER: Travelling dates are from 01/18 to 01/20.

ASSISTANT: Do you need any connection limits?

USER: Yes, a connection.

ASSISTANT: There is no reservation found a flight.

USER: Thanks for the help.