You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I want to fly from JFK to DCA. Can you book a ticket from that route?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: Sure, my planned travel dates are 08/13 and 08/15.

ASSISTANT: Would you like to travel in a connecting flight or a direct flight?

USER: I am comfortable with direct flight only.

ASSISTANT: May I know your good name please?

USER: Sure, Donna Hernandez here.

ASSISTANT: Sorry, there is no flight available on your requested dates.

USER: No issues, thank you for the information.

ASSISTANT: Thank you for reaching us.