You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you aid me to book a ticket from JFK to DFW?

ASSISTANT: Sure, I am gleeful to help you with that. Can you please share your planned journey dates?

USER: My travel dates are Feb 4 and Feb 6 respectively.

ASSISTANT: May I know your name please?

USER: Charles Green here.

ASSISTANT: Do you have any other specifications?

USER: Make sure that I prefer for single connection and my return should be in the morning.

ASSISTANT: There are no flights found on this route as per your travel dates.

USER: Thank you for the help.

ASSISTANT: Thank you for reaching us, have a great day.