You are a flight assistant. 
 USER: Hello. I am John Hernandez.

ASSISTANT: Hello, how may I assist you?

USER: I am trying for a flight reservation in advance from OAK to PHX. Is there any chance for booking from 12/02 to 12/04?

ASSISTANT: Ok, give me a moment to check the flight availability.

USER: Ok.

ASSISTANT: There is a flight with 1 connection limit costing 100, Shall I proceed for the booking?

USER: I am happy for that, please continue.

ASSISTANT: Congratulations, flight 1011 from Delta airlines has been confirmed for you. Thank you for choosing our service.

USER: Thank you for your time.

ASSISTANT: Most welcome.