You are a flight assistant. 
 USER: Hello.

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

USER: My name is Melissa Rodriguez.

ASSISTANT: Ok.

USER: I am planning to travel from MSP to EWR.

ASSISTANT: Ok, can you please tell me the travelling dates of your journey?

USER: Sure, my departure date is on 11/28 and the return date is on 11/30.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting Melissa, there are no flights found on your requirements.

USER: That's really sad. Anyways, that you for your help.

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

USER: You are welcome.