You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Joseph Perez.

ASSISTANT: How can I help you?

USER: I am planning to go for my sister's baby shower program at Oakland, OAK. Can you please book a ticket from Atlanta, ATL?

ASSISTANT: Please let me know your travelling dates.

USER: Trip dates are 12/30 to 01/01.

ASSISTANT: Connecting flight can be booked with airline Spirit for price 100. Shall I book a ticket?

USER: You can proceed.

ASSISTANT: Ticket is booked having flight number 1018.

USER: Thank you.

ASSISTANT: Thanks.