You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anthony Evans here.

ASSISTANT: Evans, what help is required from end?

USER: One of my friend is going to play in the final match of foot ball game, which is going to be held in PHX. Can you book a ticket from OAK?

ASSISTANT: I can help you with that. Can I know the travel dates please?

USER: My planning dates are from 12/21 to 12/23.

ASSISTANT: Give me a moment I will get back to you.

USER: Ok.

ASSISTANT: UA airline is providing a service on your route with price 100, shall I book it?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with flight number 1005.

USER: Thank you for your help.

ASSISTANT: You are welcome.