You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, How can I aid you?

USER: Can you please help me in booking a flight ticket to DTW from LAS?

ASSISTANT: Sure, May I know your travelling dates?

USER: My travel dates are from Mar 10 to Mar 12.

ASSISTANT: Do you have any requirements?

USER: I would like to depart in the morning.

ASSISTANT: May I know your name?

USER: I am James Carter.

ASSISTANT: Thanks for your details, there are no flights found on your data.

USER: OK, no problem. Thank you.

ASSISTANT: Thank you.