You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Jack Rodriguez here.

ASSISTANT: Jack, how may I aid you?

USER: Reserve a flight ticket for me that is from LAX to ATL.

ASSISTANT: Sure, please provide your itinerary dates.

USER: Sure, my travelling dates are 05/02 and 05/04.

ASSISTANT: Please hold on for a moment.

USER: Sure, carry on.

ASSISTANT: Sorry, no flight is available on your route.

USER: Ok, no problem, Thank you.

ASSISTANT: Thank you for choosing us.