You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to visit ATL from SFO.

ASSISTANT: Can you give me the dates of your travel?

USER: The dates are 11/27 and 11/29.

ASSISTANT: Do you have any other additional requirements?

USER: Make sure that price should not exceed 5000.

ASSISTANT: Can I know your name?

USER: My name is Jessica Mitchell.

ASSISTANT: Sorry Mitchell, there is no no flight with your details.

USER: OK, thank you for your quick response.

ASSISTANT: Thank you. Have a nice day.