You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself William Evans.

ASSISTANT: How may I help you?

USER: I am looking for booking a flight ticket to IAH, going to give a presentation of my story to a publisher at Houston, can you please book a ticket?

ASSISTANT: May I know your source code?

USER: My source airport code is OAK.

ASSISTANT: Can you please provide your trip dates?

USER: I would like to go on 09/27 and return on 09/29. Please check for only single connection flights.

ASSISTANT: There is a flight available for you with flight number 1011 and airline is Hawaiian. Can I proceed?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your service.

ASSISTANT: Most welcome.