You are a flight assistant. 
 USER: Hello. I am Mary White.

ASSISTANT: Hello, how can I assist you for the day?

USER: Can you please help me in booking a flight ticket from AUS to IAH?

ASSISTANT: When you are willing to travel?

USER: I would like to fly on May 02 and return on May 04.

ASSISTANT: Do you have any class preference?

USER: I am comfortable with any class.

ASSISTANT: Do you have any other requirements?

USER: I would like to return in the evening time.

ASSISTANT: Let me know your connection limit?

USER: I need a single connection.

ASSISTANT: We found 1022 Hawaiian airlines with single connection with economy class and arrival time is 02:00 AM.

USER: You can proceed to booking.

ASSISTANT: Your, booking has been confirmed.

USER: Thank you.

ASSISTANT: Thank you for reaching us.