You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Myself Debra Parker.

ASSISTANT: How can I help you?

USER: I got an offer to watch a live event, help me with booking a flight ticket with price within 5000. Can you please help me out?

ASSISTANT: Sure, please provide me your journey dates.

USER: I want to start my journey on 03/08 and my return will be on 03/10.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: May I know your airport codes please?

USER: My travelling airport codes are from DFW to ORD.

ASSISTANT: Sorry, no flights has been found on your journey dates.

USER: That's ok, I will choose any other way to reach my destination on time. Thank you for your valuable information.

ASSISTANT: Thank you for choosing us.