You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am willing to book a flight from JFK to reach Washington, can you please help me in booking a flight?

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

USER: My planned dates are on Oct 26th to 28th.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in morning time and return in afternoon time.

ASSISTANT: May I know your destination code?

USER: Sure, It is DCA.

ASSISTANT: May I know your name?

USER: Sure, my name is Nancy Jackson.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No issues, thank you.

ASSISTANT: Thank you.