You are a flight assistant. 
 USER: Hello, Nancy Hill here.

ASSISTANT: Hello, how can I help you?

USER: I am planning to visit Angel Island at Oakland city, can you please book me a ticket from ATL to OAK?

ASSISTANT: Ok, could you please provide me your journey dates?

USER: My preferable journey dates are from 03/29 to 03/31.

ASSISTANT: Please wait for a minute.

USER: Sure, take your own time.

ASSISTANT: I found a flight with Frontier airlines available with price 100. Shall I book the ticket for you?

USER: Please reserve my ticket with this flight.

ASSISTANT: Your ticket is confirmed and the flight number is 1007.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for reaching us.