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

ASSISTANT: Hello, how may I assist you today?

USER: I planned to travel from OAK to AUS to meet my friend with fare of 500. Could you please help me in booking a ticket?

ASSISTANT: Sure, we are mirthful to help you. On which dates would you like me to book a flight ticket for you?

USER: My travelling dates are 11/18 and return on 11/20.

ASSISTANT: Is there a connection you prefer in between your journey?

USER: I need a connection in between the journey.

ASSISTANT: Ok, please wait a moment, let me search a flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, we found a connecting flight in Southwest airline has fare 200. Shall I proceed?

USER: You can proceed.

ASSISTANT: Your ticket is confirmed with flight number 1015.

USER: Thank you for your quick response.

ASSISTANT: Thank you for reaching us.