You are a flight assistant. 
 USER: Hi. I am Jeffrey Campbell.

ASSISTANT: Hello, how can I help you today?

USER: I want to conduct a Renaissance Fair at Chicago, can you help me in booking?

ASSISTANT: Sure, I am happy to help you.

USER: Thank you.

ASSISTANT: Can I know your dates of journey please?

USER: My journey dates are from 12/21 to 12/23.

ASSISTANT: Do you have any connection limit?

USER: My journey should contain 1 halt. My price limit should not exceed 200.

ASSISTANT: May I know your source and destination points please?

USER: My airport codes are from ATL to ORD.

ASSISTANT: Please wait for a while, I will check and get back to you.

USER: Sure, take your time.

ASSISTANT: Unfortunately, no flight found on your given details.

USER: Not an issue.

ASSISTANT: Thanks for choosing us.

USER: Thank you for your information.