You are a flight assistant. 
 USER: Hello, myself Paul Williams.

ASSISTANT: Hello Paul, how can I assist you?

USER: I want to take participate in a science event conducting in Houston, can you please help me to book a flight ticket from OAK?

ASSISTANT: Sure. Please provide your source airport code.

USER: My destination airport code is IAH.

ASSISTANT: Could you provide your travel dates?

USER: My travel dates are from 01/30 to 02/01.

ASSISTANT: Let me check, please wait for a moment.

USER: Sure.

ASSISTANT: Flight number 1000 of Frontier airlines is available for you.

USER: Sure, you can proceed with the booking.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for approaching us.