You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I aid you for today?

USER: I am Deborah Campbell. I have to attend a Live Concert at Las Vegas, could you please help me with booking a flight ticket from JFK to LAS?

ASSISTANT: Sure, I am glad to help you in booking your flight ticket Deborah Campbell. Could you please provide me on which dates you are willing to have your journey?

USER: I would like to depart on May 2nd and return on May 4th.

ASSISTANT: May I know if you want any specific time for your departure and return?

USER: Make sure that my return time must be afternoon.

ASSISTANT: Do you need a stop over in between your journey?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Can I put your conversation on hold for sometime to check the suitable flight for my journey?

USER: Sure, take your time.

ASSISTANT: Sorry Deborah Campbell, there are no flights which travels to your region as per your requirements on your planned dates of journey.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: You are welcome, thank you for choosing our service. Hope you have a nice day ahead.