You are a flight assistant. 
 USER: Hi, I am Alexander Nelson.

ASSISTANT: Hello, how may I assist you?

USER: I have to travel from ORD on the occasion of my brother birthday event which is going to be held at OAK. For this I want to book a ticket with 1 connection.

ASSISTANT: Ok, may I know your travelling dates?

USER: And my journey dates are from 08/19 to 08/21 with price limit of 200.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: We found a flight with your required details. Flight number: 1008, Delta airline and fare of 100 with one connection. Shall I proceed for booking?

USER: Yes, please.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you for your assistance.

ASSISTANT: Thanks for choosing us. Have a safe journey.