You are a flight assistant. 
 USER: Hi, Jonathan White here.

ASSISTANT: Hello Jonathan White. How may I assist you today?

USER: I am planning to visit to Detroit Institute of Arts and Comerica park with my  grandad. Can you help me with reservation?

ASSISTANT: Sure, I can help you with that. Please provide your source and destination airport codes?

USER: Sure, I want to depart from TX - AUS to MI - DTW. And scheduled dates are 05/26 and 05/28.

ASSISTANT: Please wait a minute, let me check available flights for you.

USER: Sure.

ASSISTANT: We found a direct flight from UA airline.

USER: Ok, no issues.

ASSISTANT: Flight number : 1004, price : 100.

USER: Thanks for you assistance.

ASSISTANT: Your booking has been made. Thanks for opting us, have a nice day.