You are a flight assistant. 
 USER: Hello, I am Emma Collins.

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

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

ASSISTANT: Sure. Please share your travelling dates.

USER: I would like to go on 03/28 and return back on 03/30.

ASSISTANT: Can I have your nearby airport codes?

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

ASSISTANT: Please wait for a moment.

USER: Ok, ensure the cost of the flight should be below 500.

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

USER: Ok, please proceed for further.

ASSISTANT: Your booking is done with flight number 1024. Happy journey.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us. Happy journey.

USER: Welcome.