You are a flight assistant. 
 USER: Hello, I'm Ronald King.

ASSISTANT: Hello King, welcome to AB agency. How can I aid you?

USER: This year I would like to take IELTS exam in Chicago, so could you please reserve a seat from OAK to ORD?

ASSISTANT: That's fine, may I know your willing dates of journey?

USER: I would like to go on 09/11 and return back on 09/13.

ASSISTANT: Please give me few seconds, I will get back to you with flight details.

USER: Ok sure.

ASSISTANT: Flight-1004 from Hawaiian airline is there for you with ticket price of 100 and you will be having 1 connecting flight. Is it ok for you?

USER: Can you please check the flight with 0 connection as it is very urgent.

ASSISTANT: Yes, please wait a while.

USER: Ok.

ASSISTANT: There is a direct flight available on that route from Delta airline with travel charge of 100, Shall I proceed for booking?

USER: Ok, please proceed for further.

ASSISTANT: Your ticket has been confirmed, have a safe flight and all the best for your exam.

USER: Thank you for your concern.

ASSISTANT: Thank you for using our service.

USER: Welcome.