You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you now?

USER: My name is Mark Lee, I want to book a flight ticket to attend my brother marriage at AUS. Can you help me with booking a connecting flight?

ASSISTANT: Sure, please share me your planned journey dates?

USER: My planned journey dates are May 26 and May 28.

ASSISTANT: Please mention your source airport code?

USER: My source airport code is JFK.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thank you for waiting, I found a connecting flight 1004 of airline UA, fare is 200 and class is economy. Shall I proceed with booking?

USER: Please go ahead.

ASSISTANT: Your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for visiting us, we hope see you again.