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

ASSISTANT: Hello, how may I guide you at this moment?

USER: As my plan to attend a live concert at Chicago, IL-ORD, can you help me to book a flight ticket from Atlanta, GA-ATL?

ASSISTANT: Sure, may I know your budget limit for the flight ticket?

USER: I need the flight ticket within the fare limit 5000.

ASSISTANT: Ok, please tell me your departure and arrival dates?

USER: I will depart on 11/07 and I will return within two days that is on 11/09.

ASSISTANT: Ok,  please stand by, let me check with the availability of flights.

USER: Ok.

ASSISTANT: There are no flights available on your requested dates.

USER: No issues, I'll choose any alternative to reach my destination.

ASSISTANT: Thank you for availing us.

USER: Thank you for your information.