You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Virginia Gonzalez here.

ASSISTANT: Virginia, how can I assist you today?

USER: Find a flight for me that is from EWR to LAS.

ASSISTANT: Sure, can you please tell me your trip dates?

USER: Sure, I am planning to go on 05/28 and 05/30.

ASSISTANT: Ok, please wait for a moment.

USER: Sure, I need direct flight.

ASSISTANT: Sorry Virginia, there are no flights available on your given dates.

USER: Not an issue, thank you for checking.

ASSISTANT: Thank you for choosing us and have a nice day.