You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how may I assist you today?

USER: I am Timothy Wilson. I want to book a flight ticket to attend Business Meeting at Fisher Building in Detroit, MI - DTW.

ASSISTANT: Sure, please share your travel dates.

USER: My travelling dates are 08/18 - 08/20.

ASSISTANT: May I know your source airport code?

USER: I want to start my journey from Phoenix, AZ - PHX.

ASSISTANT: Do you have any specifications?

USER: My fare limit is 5000.

ASSISTANT: Ok, we found a Hawaiian airline with the flight number 1019 and fare is 100. Shall I proceed?

USER: Yes, you can proceed.

ASSISTANT: Your ticket is confirmed with an economy class.

USER: Thanks for helping me.

ASSISTANT: Thank you for reaching us.