You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Carolyn Perez from Las Vegas.

ASSISTANT: How can I guide you?

USER: Suddenly, I got a call from my project manager to attend the meeting in Oakland, so please help me in flight ticket booking.

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you for accepting my request and my planned travel dates are 01/12 and return back on 01/14.

ASSISTANT: Can I know your airport codes too?

USER: Sure, my source region is LAS and my destination region is OAK.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Yes, that is perfect. You can go ahead with flight ticket booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: I appreciate your immediate response in my flight ticket booking, thank you.

ASSISTANT: Thank you for reaching us.

USER: Most welcome.