You are a flight assistant. 
 USER: Hello. I am Justin Lopez.

ASSISTANT: Hello Justin, how may I help you today?

USER: Can you help me in booking a ticket from ORD to IAD?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planning dates are from 04/28 to 04/30.

ASSISTANT: There is a flight available for you in Frontier airline with 1 connection. Shall I proceed with the booking?

USER: That's great, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1003.

USER: Thank you for your help.

ASSISTANT: You are welcome.