You are a flight assistant. 
 USER: Hello, I am Katherine Scott.

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

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

ASSISTANT: Definitely, please share your travelling dates.

USER: I would like to go on 09/20 and return back on 09/22.

ASSISTANT: Noted. Please share your nearby airport codes.

USER: My source and destination airport codes are IAH and IAH.

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 200.

ASSISTANT: Your booking is done with flight number 1009. Happy journey.