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

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

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

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: I prefer to travel on 02/03 and 02/05.

ASSISTANT: The Spirit airline with flight number 1009 is available having fare as 100 and connection as 1, is it ok for you?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your reservation is confirmed.

USER: Thank you for your help.

ASSISTANT: You are welcome, have a great day.