You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you today?

USER: I am Anthony Miller. I need to book a flight ticket from MN-MSP to AZ-PHX, Can you please help me for booking?

ASSISTANT: Sure, please share your travelling dates?

USER: I would like to travel on 09/19 to arrival on 09/21.

ASSISTANT: Do you have any other specifications?

USER: I need a direct flight.

ASSISTANT: Thanks for providing your details, no direct flights are available with your requested details.

USER: Ok, no problem. Thanks for your information.

ASSISTANT: Thanks for availing us.