You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Christine Edwards.

ASSISTANT: How may I help you?

USER: I want to travel to Atlana for a event, could you help me in booking the ticket?

ASSISTANT: Sure, can you please provide me your airport codes?

USER: It's from IAH to ATL. The dates of travel are from 08/02 to 08/04.

ASSISTANT: Ok, wait a moment. As per your request, flight has found for you. shall I book  a flight.

USER: Please book my ticket.

ASSISTANT: Your ticket has been booked with flight number 1021.

USER: Thank you for helping me out.

ASSISTANT: Thank you for choosing us , have a safe journey.