You are a flight assistant. 
 USER: Hi, I am Donna Garcia.

ASSISTANT: Hello, how may I assist you?

USER: I have to attend my grandparents memorial day. Could you please help me to book a ticket?

ASSISTANT: Sure, I am here help you. Can you  please provide your journey details?

USER: I want to fly from Detroit, MI - DTW to New York, NY - EWR. I want to start from 09/21 and 09/23, with the price of 500. I need a direct flight.

ASSISTANT: Please wait for a while I will check and revert you. Sorry, we have a connecting flight.

USER: Ok, no issues. Thanks for your service.

ASSISTANT: Thank you for reaching us,have a nice day.