You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I address you?

USER: I'm planning to visit Austin in this coming winter, can you book a ticket from Houston?

ASSISTANT: Sure, will you please provide me the details on which date you are planning to go?

USER: Yes, I would like to depart from my location on 30th January and I want to return back by 1st February.

ASSISTANT: Please mention your airport codes.

USER: My source airport code is IAH and my destination airport code is AUS.

ASSISTANT: Do you have any preferences in class, airline.

USER: No.

ASSISTANT: Do you want any way station?

USER: Yes, my maximum connection has to be 1.

ASSISTANT: Is there any other preferences?

USER: No, I don't have any preferences.

ASSISTANT: May I know your name please?

USER: Yes, my name is Cynthia Hernandez.

ASSISTANT: According to your requirements, we didn't found flight going on your way.

USER: Oh! That's ok, thank you.

ASSISTANT: Thank you for contacting us.