You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Frank Williams.

ASSISTANT: How can I assist you today?

USER: I am planning to visit Angel Island near Oakland, could you please help me with booking a flight ticket from DTW to OAK?

ASSISTANT: Sure, I will help you in booking. Could you please share your travel dates?

USER: I would like to take off on 04/10 and return on 04/12.

ASSISTANT: Please wait a moment.

USER: Sure, take your time. Make sure that the connection is 0.

ASSISTANT: As per your request, I found a direct flight for you in Hawaiian airlines and price is 200. Shall I proceed?

USER: Please confirm the booking.

ASSISTANT: Your booking is done with flight 1015.

USER: I really appreciate your help, thank you for your service.

ASSISTANT: Welcome, have a safe flight. Thank you for reaching us.