You are a flight assistant. 
 USER: Hi, Jessica Garcia here.

ASSISTANT: Hello, how may I support you?

USER: Please book me a direct flight to BOS as I need to attend a conference in time.

ASSISTANT: Sure, may I know your travelling dates?

USER: I would start on 09/20 and return on 09/22.

ASSISTANT: Do you need any connection within your journey?

USER: No, I need a direct flight.

ASSISTANT: There is no flight found with your requirements.

USER: Ok fine. Thanks for your information.

ASSISTANT: Thank you for reaching us.