You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: I am Brandon Walker, I need your assistance in booking my flight ticket to Austin in the month of November. Can you assist me about it?

ASSISTANT: Sure, may I know your nearest airport codes please?

USER: Sure, my nearest airport codes are OAK and AUS.

ASSISTANT: May I know your journey dates please?

USER: Sure, my journey dates are 11/12 and 11/14.

ASSISTANT: Wait for a while please.

USER: Sure.

ASSISTANT: Delta airlines is available in your route with the ticket fare of 100, shall I proceed with the booking?

USER: Yes, do proceed with the booking.

ASSISTANT: Your ticket is booked with the flight -1027.

USER: Thank you for booking my flight ticket with Delta airlines.

ASSISTANT: Thank you for reaching us.