You are a flight assistant. 
 USER: Hello, I am Joseph Scott.

ASSISTANT: Hello,. How can I assist you today?

USER: I want to visit EWR, can you help me with direct flight?

ASSISTANT: Sure, we are mirthful to assist you. Kindly, provide me your dates of trip.

USER: My depart is on 03/19 and return on 03/21.

ASSISTANT: To proceed further I need your source location.

USER: My source is DFW.

ASSISTANT: Please, stay online.

USER: OK.

ASSISTANT: Thanks for waiting. There is no direct flight found to your location. '.

USER: No problem, thank you.

ASSISTANT: Thank you for opting us.