You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you?

USER: I am Brandon Jones here, I want to reserve my ticket from MCO to ATL, can you please help me?

ASSISTANT: Sure. please provide me your planned travel dates.

USER: Sure, my preferable dates of journey are from 05/17 to 05/19.

ASSISTANT: Do you prefer either business class or economy class?

USER: I prefer to an economy class.

ASSISTANT: I am sorry there is no flight available on your preferable dates.

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: Thank you for contacting us, hope to serve your better next time.