You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I'm John Edwards. I want to attend my friend's wedding in LAS, can you book a ticket from JFK?

ASSISTANT: Yes, please provide the travelling dates?

USER: My travel dates are from 04/30 to 05/02.

ASSISTANT: Ok, there is a flight 1017 of Frontier airline available for you. Shall I book the ticket?

USER: Please book my ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.