You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald White here.

ASSISTANT: White, how may I guide you?

USER: I need your help in booking of a flight ticket from OAK to JFK for an important business meeting, can you please help me out with booking of a flight ticket on those locations?

ASSISTANT: Sure, when you are willing to travel?

USER: Thank you. I am planning to departure on 01/19 and please book my return ticket on 01/21.

ASSISTANT: Please wait for a while.

USER: Ok, take your time but try to bring a best flight in my route.

ASSISTANT: There is a flight with Hawaiian airlines and the ticket fare 100 only. Shall I proceed?

USER: That's fine for me, I am ok with this. You can proceed with booking.

ASSISTANT: White, your ticket is booked with the flight-1005.

USER: Thank you for your kind assistance in booking of my ticket.

ASSISTANT: You are most welcome, thank you very much White for contacting us.