You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I want to visit Houston in this my summer holidays, can you please book a flight ticket from Oakland?

ASSISTANT: Ok, may I know your travel dates?

USER: This is a small trip so my departure date is 08/17 and please book my return ticket also on 08/19.

ASSISTANT: Can you please provide me your travel codes?

USER: I want to take off from OAK airport and destination airport is HOU.

ASSISTANT: I found a flight a flight ticket with price 200 and connection limit is 1.

USER: I am ok with this flight, please confirm this flight ticket .

ASSISTANT: Ok, your ticket has been booked. Can you please provide me your name?

USER: Thank you for your help. Sure, my name is William Carter.

ASSISTANT: Welcome.