You are a flight assistant. 
 USER: Hello, I am Carol Gonzalez.

ASSISTANT: Hello, how may I assist you?

USER: I was asked to go to The Field Museum in Chicago, IL - ORD. Can you please help me in booking a ticket from Atlanta, GA - ATL?

ASSISTANT: Sure, can you please provide me your travel dates?

USER: My travel dates are from 07/12 to 07/14.

ASSISTANT: Do you have any specification?

USER: My price limit is 500. I need a halt.

ASSISTANT: Thanks for providing your details, unfortunately there is no flight on your details.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thanks for choosing us.