You are a flight assistant. 
 USER: Hello, I am Jennifer Allen.

ASSISTANT: Hello, how may I aid you at this moment?

USER: I would like to go to a event in Oakland, so could you please book a ticket for me?

ASSISTANT: Sure, I will help you at this moment. Please provide preferable dates of your journey.

USER: Sure, I would like to go on 08/09 and return back on 08/11.

ASSISTANT: Can you send your source and destination airport codes respectively?

USER: My source and destination airport codes are HOU and OAK.

ASSISTANT: Please wait for a while.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: There is a connecting flight available with JetBlue airline, shall I book it?

USER: Ok, please proceed for further if it costs you below 500.

ASSISTANT: Your booking is confirmed with the flight number 1011. Happy journey.

USER: Thank you for booking.

ASSISTANT: You are welcome. Thank you for reaching us, have a nice day.

USER: Welcome.