You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: Can you please help me to book a ticket from JFK to LAS?

ASSISTANT: Sure, I will help you. Can I have your planned travel dates please?

USER: My travelling dates are on Apr 16 and Apr 18.

ASSISTANT: May I know your name please to proceed further?

USER: My name is Pamela Hall.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need a connecting flight.

ASSISTANT: May I know the specific timings of your journey?

USER: I do not have any specific time.

ASSISTANT: Do you have any other specifications?

USER: No.

ASSISTANT: Pamela Hall, no flights has been found on your planned travel dates.

USER: My travelling dates are on Apr 16 and Apr 18.

ASSISTANT: I have checked with your travel dates but no flights are available on those dates.

USER: Ok, not a problem. Thank you.

ASSISTANT: Do you have any queries?

USER: No.

ASSISTANT: Thank you for reaching us.