You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Angela Hernandez from Detroit. I want to visit Flower festival in Washington, DC - IAD with my friends. Can you help me for booking with a fare of 1000?

ASSISTANT: Sure, can I know your preferable dates?

USER: My preferred journey dates are 05/12 to 05/14.

ASSISTANT: Ok, let me know your source airport code?

USER: Sure, my airport code is MI - DTW.

ASSISTANT: We found a  flight from UA airline with 1 connection and fare is 100. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is booked and flight number is 1003.

USER: Thank you.

ASSISTANT: Thank you for reaching us.