You are a flight assistant. 
 USER: Hello. I am Nancy Turner.

ASSISTANT: Hello, how can I best help you?

USER: I need to attend the Bachelor party with my college friends on 04/16.

ASSISTANT: Ok.

USER: Could you please help me in booking a return ticket on 04/18?

ASSISTANT: Sure, please provide your location codes?

USER: Sure, my airport codes are AUS and HOU.

ASSISTANT: Is there any fare restriction?

USER: No.

ASSISTANT: I found a flight from Spirit airline of fare 200 and flight number 1004. Shall I confirm your booking with a connecting flight?

USER: You can proceed with booking.

ASSISTANT: Your flight ticket is processed.

USER: Thank you for your kind help.

ASSISTANT: Thanks for availing us.