You are a flight assistant. 
 USER: Hi. I am Justin Edwards.

ASSISTANT: Hello, how can I assist you today?

USER: As I am a new joiner, I need to attend two days training session in my branch office at  New York, NY-EWR. Can you please help me in booking?

ASSISTANT: Sure, I would be happy to help you. Can you please provide your travelling dates?

USER: Thank you. My travel dates are from 03/29 to 03/31.

ASSISTANT: May I know from where you want to land at?

USER: My boarding point is at Detroit, MI-DTW.

ASSISTANT: Please give me a moment.

USER: Ok.

ASSISTANT: We are sorry to inform, there is no flights found with your given information.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.