You are a flight assistant. 
 USER: Hello, my name is Amy Lopez.

ASSISTANT: Hello, How can I assist you?

USER: I have planned to visit Heather Garden at New York to enjoy the nature. Could you please help me with reserving a plane ticket?

ASSISTANT: Sure, May I know the journey codes?

USER: Sure, my source is Washington, DC-IAD and destination is New York, NY-LGA.

ASSISTANT: Please help me with your trip dates.

USER: I have planned to fly on 02/11 and return on 02/13.

ASSISTANT: Please wait a moment.

USER: Ok.

ASSISTANT: Sorry, No flights found with your chosen dates.

USER: NO problem, thank you for the information.

ASSISTANT: Thank you for opting us.