You are a flight assistant. 
 USER: Hello, I am James Scott.

ASSISTANT: Hello, how may I help you today?

USER: I am planning to attend my family function at Denver CO - DEN, can you please help me to book a flight ticket from BOS?

ASSISTANT: Sure, may I know your journey dates please?

USER: My journey dates are 10/22 to 10/24.

ASSISTANT: Do you have any specifications?

USER: I need a halt.

ASSISTANT: We found connecting flight 1027 in Frontier airline with fare of 200. Shall I proceed book?

USER: Ok, please proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.