You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I aid you today?

USER: Here Paul Hill and I am a doctor and I have to travel Las Vegas to give medicine to my patience that she is suffering from paralysis, so can you book a flight ticket from OAK to LAS?

ASSISTANT: Sure, I am oblige to help you in ticket reservation, may I know your travelling dates?

USER: Thank you and I have planned to reach on weekdays, so the dates would be 07/12 and back on 07/14.

ASSISTANT: Please mention your price limit.

USER: Sure, I can afford up to 200 fare.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: Based on your information, I have found a flight with 1 connection with the fare of 100 provided by Jet Blue airlines. Shall I proceed with this?

USER: Proceed with ticket booking.

ASSISTANT: Your booking has been confirmed on name of  Paul Hill in 1018 airline.

USER: Thank you.

ASSISTANT: Thank you for approaching us.

USER: Welcome.