You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you at this moment?

USER: I am a singer and would like to participate in the live concert in CLT, can you please aid me in booking a flight ticket from LGA?

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: Sure, I want to start my journey on Feb 20 and end my journey on  Feb 22.

ASSISTANT: Do you have any connection limit preference?

USER: Sure, I prefer to travel in a connecting flight.

ASSISTANT: Do you have any other specifications for this trip?

USER: No, I do not have any other specifications.

ASSISTANT: May I know your good name please?

USER: I am Jonathan Allen.

ASSISTANT: Jonathan Allen, there are no flight services are available on this route on your provided dates.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for contacting us.