You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Justin Brown.

ASSISTANT: How can I help you Justin Brown?

USER: I am planning to visit Lake Merritt at Oakland, could you please help me with booking a flight ticket from DEN to OAK?

ASSISTANT: Sure, please share your planned trip dates?

USER: I would like to depart on Oct 6th and return on Oct 8th.

ASSISTANT: Ok, any other requirements to be met?

USER: I need a connecting flight.

ASSISTANT: Ok, we found a flight- 1010 in Hawaiian airlines which departs in morning 6.00 AM. Shall I proceed?

USER: Yes, please confirm the booking.

ASSISTANT: Ok, your ticket has been processed.

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

ASSISTANT: Thank you for your help. Thank you for opting us.