You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello,. How can I aid you today?

USER: I need a flight ticket from CLT to ATL to attend my uncle's house warming ceremony, can you please book me a flight ticket?

ASSISTANT: Sure, when did you planned to travel?

USER: I need to go on 03/27 and I will come back on 03/29.

ASSISTANT: Is there any restriction on fare?

USER: Yes, my budget is 500.

ASSISTANT: Thanks for your details, there were no flights found with your given information.

USER: Not an issue, thank you.

ASSISTANT: May I know your name please?

USER: My name is Susan Taylor.

ASSISTANT: Thanks for choosing us.