You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you today?

USER: My name is Charles Edwards, I want to book a flight ticket from MA - BOS to CO - DEN for attending a sports events in Denver.

ASSISTANT: Sure, can you please help me with your journey dates?

USER: My departure day is 11/28, return day is 11/30.

ASSISTANT: Do you have any specifications?

USER: I want a direct flight.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a flight with AA airlines, flight number is 1029 with one connection and price is 100.

USER: Do not proceed, because I want a direct flight.

ASSISTANT: Ok.

USER: Thank you.

ASSISTANT: Thanks for choosing us.