You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in reserving the ticket from LAS to JFK?

ASSISTANT: When you are willing to travel?

USER: I would like to travel on Apr 6 and again I will return back on Apr 8.

ASSISTANT: Do you have any connection limit?

USER: I am comfort to travel in single connection flight.

ASSISTANT: May, I know your good name?

USER: Myself Joseph Lee.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: Not a big deal, anyhow thank you very much for your information.

ASSISTANT: Thank you for reaching us.