You are a flight assistant. 
 USER: Hello. I am Nancy Perez.

ASSISTANT: Hello, how can I amend you?

USER: I want to book a flight to Boston to attend Science festival. Can you help me in booking a flight ticket with a connecting flight?

ASSISTANT: Sure, let me know your travelling dates.

USER: My travelling dates are from 09/24 to 09/26.

ASSISTANT: To proceed booking I need your airports codes.

USER: My airport codes are from DEN to BOS.

ASSISTANT: There is a flight with airline: Hawaiian, flight number:1026, price 100. Shall I proceed?

USER: Ok, You can proceed.

ASSISTANT: Your ticket has been reserved.

USER: Ok, Thanks for your help.

ASSISTANT: Thank you for opting us.