You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: Myself Nicole Hernandez. I want to book a flight can you help me?

ASSISTANT: Sure, may I know your journey details?

USER: My travelling details are from MA-BOS to NY-EWR.

ASSISTANT: OK, could please provide your departure and arrival dates?

USER: 09/20 to 09/22.

ASSISTANT: Sorry, unfortunately there is no flights in these dates.

USER: OK. Thank you.

ASSISTANT: Thank you, have a good day.