You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you?

USER: This is Nancy Harris from Atlanta. I want to book a ticket to Atlanta to attend a meeting with my client, can you please help me in booking?

ASSISTANT: Sure, may I know your travelling dates please?

USER: My travel dates are from 06/11 to 06/13.

ASSISTANT: How much you can afford for a flight ticket?

USER: I can afford upto 5000.

ASSISTANT: Please mention your airport codes?

USER: My airport codes are from ATL to ORD.

ASSISTANT: Ok, wait for a minute. I will get back to you.

USER: Ok.

ASSISTANT: Thanks for waiting, we do not found any flights based on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thanks for reaching us.