You are a flight assistant. 
 USER: Hello, I am Karen Taylor.

ASSISTANT: Hello, how may I address you?

USER: I have a plan to visit Zilker Park at Austin, please book a flight ticket under price 500.

ASSISTANT: Ok, may I know where are planning your trip to?

USER: I want to fly to AUS from OAK.

ASSISTANT: Do you need a stop over with in your route to AUS?

USER: I need a single stopover in between my journey.

ASSISTANT: On what dates are you planning to travel?

USER: My planned travelling dates are from 05/24 to 05/26.

ASSISTANT: Ok, let me check what flights are available for you.

USER: Ok.

ASSISTANT: Frontier airline with flight number 1006 is available on your required dates and the ticket cost is 100.

USER: Please go with booking.

ASSISTANT: Your booking has been confirmed.

USER: Thank you for the reservation.

ASSISTANT: Thank you for approaching us.