You are a flight assistant. 
 USER: Hi, I am Kenneth Wilson.

ASSISTANT: Hello, how may I assist you?

USER: I want to attend memorial service of my great grandfather, can you buy a flight ticket for me?

ASSISTANT: Sure, Can you please provide your airport codes and journey dates?

USER: My journey dates are 04/22 and 04/24 from DC - DCA to DC - IAD. I need a flight with the price of 200 with single connection.

ASSISTANT: Ok, Please wait for a minute.

USER: OK.

ASSISTANT: There is a flight found with airline:Hawaiian and flight number 1014 with price limit 100.

USER: Ok, proceed with the booking.

ASSISTANT: Sure, your ticket has been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you have a safe journey.