You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Raymond Taylor, want to travel from OAK to PHL. My travelling dates are from 08/20 to 08/22.

ASSISTANT: There is a flight available for you in UA airline with 1 connection. Shall I proceed?

USER: Please proceed.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.