You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. What can I do for you?

USER: I am Benjamin Gonzalez. I am travelling to Chicago on 10/07 for business meeting and return on 10/09 , so I want to book a ticket.

ASSISTANT: Sure Gonzalez, can I have your origin and destination codes?

USER: My source airport code is LGA and destination code is ORD.

ASSISTANT: Ok, wait for a minute.

USER: Sure.

ASSISTANT: Yes, I found a flight-1010 with UA airlines.

USER: Please proceed for booking.

ASSISTANT: Yes, your ticket is successfully done.

USER: Thanks for your help.

ASSISTANT: Thank you for approaching us, have a safe journey.