You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Elizabeth Walker. Please book a flight ticket from LAS to OAK, as I have to attend a meeting in Oakland.

ASSISTANT: Ok, may I know your travelling dates?

USER: My planned travel dates are May, 14 and May, 16.

ASSISTANT: Here is a direct flight with fare 100 and 1000 as flight number in economy class. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Ok, your ticket is confirmed.

USER: Thank you for the help.

ASSISTANT: Most welcome.