You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Stephanie Gonzalez.

ASSISTANT: How can I aid you?

USER: Please, reserve me a flight ticket from BOS to ATL.

ASSISTANT: Sure, please help me with your travelling dates.

USER: I am travelling from June 7 to June 9.

ASSISTANT: Ok, do you have any price limit?

USER: I can afford 200 only.

ASSISTANT: Thanks for providing details, we are sorry to inform you that, no flight are available on your journey routes.

USER: No problem, thank you for the information.

ASSISTANT: Thank you for reaching us.