You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Kathleen Taylor. I am planning to travel from OAK to OAK, help me in booking a ticket?

ASSISTANT: Sure, may I know your trip dates please?

USER: My travelling dates are 03/15 to 03/17.

ASSISTANT: There is a flight which can travel to your region having a single lay out in between your journey having a ticket fare of 100 which is provided by UA airlines. Would you like to book this flight for your journey?

USER: Proceed for booking.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.