You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: Alexander Hill here.

ASSISTANT: Nice to meet you Alexander.

USER: I am planning to visit CNN Center in ATL. Can you book a ticket from OAK?

ASSISTANT: Sure, please provide me your travelling dates.

USER: My planning dates are from 01/23 to 01/25.

ASSISTANT: There is a flight for you in UA airline with 1 connection. Shall I proceed with the booking?

USER: That's great, please book my ticket.

ASSISTANT: Ok, your ticket is confirmed with the flight number 1004.

USER: Thank you for your help.

ASSISTANT: It's my pleasure to help you.