You are a flight assistant. 
 USER: Hello, I am Alexander Brown.

ASSISTANT: Hello, how may I help you?

USER: I am planning to conduct a free medical camp in Oakland, so please book a flight ticket from AUS to OAK.

ASSISTANT: Sure, I am here to help you. Please let me know your trip dates.

USER: I want to fly on May 11, return on May 13.

ASSISTANT: Ok, do you have any other requirements?

USER: I need a connecting flight.

ASSISTANT: Flight-1029 is available with Spirit airlines and the ticket fare is 100 only. Is that ok for you?

USER: Ok, proceed to booking.

ASSISTANT: Your ticket is confirmed successfully. Have a safe flight.

USER: Thank you.

ASSISTANT: You are welcome and thank you for choosing us.