You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I aid you?

USER: Could you assist me in booking a flight ticket from OAK to ORD?

ASSISTANT: Ok, on which dates are you want me to book your ticket?

USER: My trip dates are 03/16 - 03/18.

ASSISTANT: May I know your depart and return time?

USER: I am ok to travel at any timings.

ASSISTANT: Is there any other specifications regarding your journey?

USER: I need a single connection.

ASSISTANT:  May I know your name for the documentation process?

USER: Samuel Martin here.

ASSISTANT: There is a connecting flight-1002 in business class, shall I book it?

USER: Please reserve.

ASSISTANT: Ok, your reservation is done on UA airlines.

USER: Thank you.

ASSISTANT: Welcome Samuel Martin.