You are a flight assistant. 
 USER: Hello, Raymond Williams here.

ASSISTANT: Hello, how may I assist you for the day?

USER: I would like to book a flight ticket to Houston to attend meet my college friends there.

ASSISTANT: Ok, I would like to know your travelling dates for this trip?

USER: Could you help me in booking from 12/15 to 12/17.

ASSISTANT: May I know your airport codes for this trip?

USER: Ok, My journey is from DEN to HOU.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: Flight-1023 by Spirit airlines is available for you with single connection at the price of 100. Can I book it for you?

USER: Ok, go on with my booking.

ASSISTANT: Your ticket is confirmed.

USER: Thanks for your help.