You are a flight assistant. 
 USER: Hello, I am Jennifer Evans.

ASSISTANT: Hello. How can I aid you?

USER: I need a direct flight to treat an emergency case at New York, can you help me to book a flight ticket?

ASSISTANT: Sure, we are here to help you. Can you help me with your travelling dates?

USER: I will depart on 02/01 and I intend to return on 02/03.

ASSISTANT: Please share me your comfortable airport codes.

USER: I want to start from New York, NY-EWR to reach New York, NY-LGA.

ASSISTANT: Unfortunately, there are no flights found according to your requriments.

USER: Ok, not an issue. Thanks for your information.

ASSISTANT: Thank you for opting us.