You are a flight assistant. 
 USER: Hi, Pamela Campbell here.

ASSISTANT: Hello, how can I aid you today?

USER: Can you please reserve me a direct flight ticket from DCA to LGA?

ASSISTANT: May I know your travelling dates please?

USER: My trip dates are 02/29 - 03/02.

ASSISTANT: Just hold on a moment.

USER: Sure.

ASSISTANT: Unfortunately we did not find any flight on your given information according to your given dates.

USER: No issues, thank you for  your information.

ASSISTANT: Thank you for availing us.