You are a flight assistant. 
 USER: Hi, I am Larry Hernandez.

ASSISTANT: Hello,. How can I oblige you today?

USER: I want to go for a round trip in my holidays, can you please make a reservation to me?

ASSISTANT: Sure, we are mirthful to assist you. When did you schedule your journey?

USER: My scheduled travel dates are from 11/20 to 11/22.

ASSISTANT: To proceed further I need your airport code of round trip.

USER: My airport code is Oakland, CA-OAK.

ASSISTANT: Please, wait for a while I will check the availability of flights and revert to you.

USER: Ok.

ASSISTANT: Thanks for waiting. There is a plane 1023 of UA airline with a connecting flight that matches your credentials. May I reserve your ticket for fare of 200?

USER: Ok, please book a ticket for me.

ASSISTANT: Reservation of your ticket has been done. Thank you for opting us.

USER: Thanks you for making a reservation.