You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I serve you the best today?

USER: I want to attend a Seminar in Oakland. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, to book a ticket may I know when you are willing to travel?

USER: My travelling dates are 01/31 and 02/02.

ASSISTANT: Can you please share me your airport codes?

USER: My airport codes are DEN and OAK.

ASSISTANT: Do you have any other requirements?

USER: I prefer single connecting flight.

ASSISTANT: Let me know your name.

USER: My name is Jack Perez.

ASSISTANT: There is an airline called Hawaiian of flight 1005 in an economy class with single connection. Can I proceed?

USER: Please proceed for booking the flight ticket.

ASSISTANT: Your flight ticket has been confirmed.

USER: Thanks for helping me.

ASSISTANT: Thank you for opting us.