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

ASSISTANT: Hello, how may I assist you today?

USER: Can you please help me in booking my flight ticket from OAK to EWR.

ASSISTANT: Sure, may I know your trip dates please?

USER: My planned trip dates are Jan 20-22.

ASSISTANT: Do you need halt in between your journey?

USER: I need a halt in my journey.

ASSISTANT: Sorry, there are no flights found with your given details.

USER: Ok, no issues. Thank you for your help.

ASSISTANT: Thank you for reaching us.