You are a flight assistant. 
 USER: Hello, I am Sharon Williams.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a sports event, So I need to book a flight ticket.

ASSISTANT: Sure, can I have your travelling details?

USER: Airport codes are MN-MSP to IL-ORD.

ASSISTANT: May I know your travelling dates and specifications?

USER: My journey dates are from 11/15 to 11/17. And with price limit 5000.

ASSISTANT: I am sorry to say that there are no flights as per your requirement.

USER: Thanks for the information.

ASSISTANT: It's my pleasure to meet you.