You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Donna Evans.

ASSISTANT: How can I assist you?

USER: I planned to attend for a wedding in BOS, can you please help me to book a flight ticket from DEN?

ASSISTANT: Ok, please let me now the dates of your journey to book.

USER: I prefer to travel on 09/26 and 09/28.

ASSISTANT: There is a flight available with 1 connection limit and the airfare is 100. Can I book the flight 1027?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, the flight ticket is confirmed and the airlines is UA.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing our agency.