You are a flight assistant. 
 USER: Hello, I am Deborah Parker.

ASSISTANT: Hello, how can I render you today?

USER: I need a direct flight to attend a client meeting in Boston, so please book a flight ticket from CO - DEN to MA - BOS.

ASSISTANT: Sure, I am here to help you. May I know your travelling dates?

USER: My departure day is 06/21, return day is 06/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure.

ASSISTANT: There is a UA 1004 airline with fare of 100 and a halt in between the journey. Shall I proceed with booking?

USER: Ok, you can proceed to booking.

ASSISTANT: Your booking has been confirmed on name of Deborah Parker.

USER: Thank you.

ASSISTANT: Thank you for approaching us, have a nice day.