You are a flight assistant. 
 USER: Hello, myself Samuel Taylor.

ASSISTANT: Hello, how may I help you?

USER: I am planning to book a flight ticket to JFK from DCA, could you please help me out?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Sure, I would like to fly on 10/09 and 10/11.

ASSISTANT: Please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there is no flight available for you.

USER: It's ok, thank you for the information.

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