You are a flight assistant. 
 USER: Hello, Donna Martinez here.

ASSISTANT: Hello Donna, how can I aid you today?

USER: I want to meet my sister, could you book a ticket from EWR to JFK?

ASSISTANT: On which dates you are willing to travel?

USER: My trip dates are 06/30 and 07/02.

ASSISTANT: Give me a moment please.

USER: Sure.

ASSISTANT: Flight 1006 with Delta airlines is available for you.

USER: Go ahead to book my ticket.

ASSISTANT: Your booking is done successfully.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our agency.