You are a flight assistant. 
 USER: Hi, Kevin Baker here.

ASSISTANT: Hello Kevin, how may I guide you today?

USER: My friend is moving to abroad, so I'm planning to spend this weekend with him before he is going to left. Please book me a ticket.

ASSISTANT: Sure, I will help you on that. Could you please provide your nearest airport codes for booking?

USER: My nearest airport code is OAK and the destination airport code is IAH.

ASSISTANT: Ok, may I know you preferable dates that you want to travel?

USER: I'm planning to start my journey on 06/11 and return back on 06/13.

ASSISTANT: Ok, please wait a moment to check the flight availability.

USER: Sure, go ahead.

ASSISTANT: Based on your information, Hawaiian airlines providing a flight with the fare of 100 including all taxes with 1 connection is available for you. Is it ok for you?

USER: Yes, it's fine for me. Please proceed booking.

ASSISTANT: Ok, your ticket is booked successfully with flight number 1006.

USER: Thanks a lot for your service.

ASSISTANT: Thank you for using our services, have a great journey.