You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Emma Martinez.

ASSISTANT: How can I help you now?

USER: Can you please help me in booking a ticket from EWR to DCA?

ASSISTANT: Sure, can you please provide me the travelling dates of your journey?

USER: My planned journey dates are 02/09 and 02/11.

ASSISTANT: Ok, please wait for a while.

USER: Ok, make sure the flight has 0 connection.

ASSISTANT: Sorry Emma, there are no flights found on your requested dates.

USER: Its ok, thank you for the information.

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