You are a flight assistant. 
 USER: Hello. I am Samantha Harris.

ASSISTANT: Hello, do you need any assistance from us?

USER: I planned to attend for a wedding in IAH, can you please help me to book a flight ticket from ATL?

ASSISTANT: Sure, may I know on what dates you need booking?

USER: I prefer to travel on 05/16 and 05/18.

ASSISTANT: There is a flight available on your requested dates from Spirit airline with 1 connecting flight.

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your reservation is confirmed with flight number 1000.

USER: Thank you for your help.

ASSISTANT: Thank you.