You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I assist you?

USER: Could you please help me with booking ticket from JFK to DCA?

ASSISTANT: Sure, may I know your travel dates?

USER: Ok, my trip dates are from May 29 to 31.

ASSISTANT: Do you have any specifications?

USER: I would like to depart in the morning time with 1 connection.

ASSISTANT: May I know your name?

USER: Sure, I am Daniel Green.

ASSISTANT: Ok, please wait a minute.

USER: Sure.

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

USER: That's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.