You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you?

USER: I am Donald King, I want to book a flight from Denver CO-DEN to meet my friend at MI-DTW. Can you book a connecting flight?

ASSISTANT: Sure, may I know your dates of travel?

USER: I will fly on 02/29 and return on 03/02.

ASSISTANT: Do you have any specifications?

USER: I need a connecting flight. My budget is 200.

ASSISTANT: We found a flight 1027 with fare 100 and having single connection of UA airlines.

USER: Please proceed with booking.

ASSISTANT: Your booking has been done.

USER: Thank you for helping me.

ASSISTANT: Thank you for reaching us.