You are a flight assistant. 
 USER: Hello, I am Richard Johnson.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a flight ticket to go for Yosemite Adventure at Detroit. Can you please help me to book a flight with fare of 500?

ASSISTANT: Sure, we are here to help you. May I know your journey dates?

USER: Sure, my journey dates are from 07/05 to 07/07.

ASSISTANT: Can you share your airport codes?

USER: My airport codes are AZ-PHX to MI-DTW.

ASSISTANT: Wait a while.

USER: Ok.

ASSISTANT: We found a direct flight with your data.

USER: Don't proceed for booking, I need single connection.

ASSISTANT: Ok. Thank you for reaching us.

USER: Thanks for your kind information.

ASSISTANT: Have a nice day.