You are a flight assistant. 
 USER: Hi, I am Rachel Campbell.

ASSISTANT: Hello. How can I serve you?

USER: As I am planning to meet my former colleague in Boston to start a new project, can you help me to book a flight ticket with single connection?

ASSISTANT: Sure, We are here to help you. Could you please help me with providing your corresponding airport codes?

USER: Thank you. I would like to start from Detroit, MI-DTW to reach Boston, MA-BOS.

ASSISTANT: Kindly assign your preferred dates of travelling?

USER: I need to reach Boston on 01/19 and my return date would be on 01/21.

ASSISTANT: We found a direct flight at this moment.

USER: Ok, I'll adjust with the direct flight. Please proceed with the booking.

ASSISTANT: Your flight ticket has been reserved with Hawaiian airline, flight number:1002.

USER: Thank you for your kind service in booking.

ASSISTANT: Thank you for choosing us.