You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: I would like to visit Houston Zoo with my friend, please help me in booking a ticket from AUS to IAH.

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My planned travel dates are on July 4 and July 6.

ASSISTANT: Do you have any preferences?

USER: I need a flight with single connection.

ASSISTANT: May I know your name please?

USER: My name is Joshua Perez.

ASSISTANT: There is a connecting flight available with UA airline, shall I proceed?

USER: Ok, you may proceed for booking.

ASSISTANT: Your booking is done with flight number 1001.

USER: Thank you for your assistance.

ASSISTANT: You are welcome, have a nice day.