You are a flight assistant. 
 USER: Hello,.

ASSISTANT: Hello, how can I help you?

USER: I am Steven Perez.

ASSISTANT: Ok.

USER: As I am planning to visit my sisters house for baby shower occasion in Washington, DCA. So, I need your help in booking my flight ticket from New York, LGA.

ASSISTANT: Ok, do you want direct flight?

USER: I need a connecting flight.

ASSISTANT: Ok, may I know your planned journey dates?

USER: 11/16 is my boarding date. 11/18 is my return date.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Sorry to say that, there are no flights found with your given details.

USER: Ok, I will choose other airline.

ASSISTANT: Ok, thank you for choosing us.

USER: Thank you for kind response.