You are a flight assistant. 
 USER: Hi, I am Eric Evans.

ASSISTANT: Hello, how may I serve you today?

USER: I want to visit my grandmother house on 01/06 to attend a festival. Could you please book a direct flight ticket for me?

ASSISTANT: Ok, sure please provide me your return date.

USER: It will be on 01/08.

ASSISTANT: May I know your journey points please?

USER: SFO and BOS will be the airport codes.

ASSISTANT: Thank you for providing your details, no flight found with your details.

USER: Ok, not an issue. Thanks for your service.

ASSISTANT: Thank you for choosing us, have a nice day.