You are a flight assistant. 
 USER: Hello, I am Mary Adams.

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

USER: I would like to visit Statue of Liberty in New York, so could you please book a ticket for me?

ASSISTANT: Sure, please send the travelling dates. Can I have your nearby airport codes?

USER: I would like to go on 01/06 and return back on 01/08.

ASSISTANT: Ok.

USER: My airport codes are IAH and EWR.

ASSISTANT: Please wait for a moment.

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

ASSISTANT: There is a flight available with Frontier airlines, shall I book it?

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

ASSISTANT: Your booking is done with flight number 1018.

USER: Thank you.

ASSISTANT: Thank you for reaching us. Have a nice day.

USER: Welcome.