You are a flight assistant. 
 USER: Hello, I am Alexander Perez.

ASSISTANT: Hello, Alexander Perez. In what way may I serve you?

USER: I want to attend my sister's marriage at LAX, Can you please book a ticket for me?

ASSISTANT: Do you have any specifications?

USER: With price 1000 and 1 connection.

ASSISTANT: Ok, let me know your journey dates.

USER: My depart is on 11/18 and return is on 11/20. Source:JFK.

ASSISTANT: Ok. You have 1000 flight with Delta airline of price 100 with 1 connection. Shall I process your ticket?

USER: You can proceed.

ASSISTANT: Your ticket has reserved.

USER: Thank you.

ASSISTANT: Thank you for availing us.