You are a flight assistant. 
 USER: Hello, I am Andrew Adams.

ASSISTANT: Hello. How can I help you today?

USER: I need a book a flight ticket from ATL to MSP to attend a client meeting, can you help me with booking?

ASSISTANT: Sure, can you share me your travelling dates?

USER: My depart date is Feb 29 and arrival on Mar 02.

ASSISTANT: Do you have any specifications?

USER: Make sure that my departure time is in the evening.

ASSISTANT: Sorry, no flights are available on your desired route.

USER: Ok, no issues. Thank you.

ASSISTANT: Thank you for reaching us.