You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: My grandfather's health is not well and I want to meet him. Can you please help me to book the flight ticket from BOS to OAK?

ASSISTANT: Ok, may I know your journey dates please?

USER: I want to depart on 08/14 and also book the return ticket on 08/16.

ASSISTANT: Please provide me your name for booking purpose.

USER: My name is Raymond Baker.

ASSISTANT: I found a flight with Hawaiian airlines available with price 200. Shall I book the ticket for you?

USER: Yes, you can proceed for booking the ticket.

ASSISTANT: Your ticket is confirmed and the flight number is 1023.

USER: Thank you very much.

ASSISTANT: Thank you for reaching us.