You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you today?

USER: I am Patricia Young. I would like to reserve a flight ticket from OAK to LAS to meet my parents, can you book a flight ticket for me?

ASSISTANT: Sure Young, can you please provide me your travel dates?

USER: I would like to move on 03/20 and back on 03/22.

ASSISTANT: Ok, please be on hold for sometime. I will get back to you.

USER: Sure.

ASSISTANT: Young, there is a flight-1013 available in Delta airlines and the ticket costs you 200 only. Can I book the ticket for you?

USER: Yes, I am ok to travel in that flight, please book it.

ASSISTANT: Your ticket is booked.

USER: Thank you for your help in my ticket booking.

ASSISTANT: Thank you very much for contacting us.