You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, How can I help you?

USER: Larry Garcia here, I am planning to attend my brother wedding reception in Austin, AUS. Can you please help me to book a ticket from TX - HOU?

ASSISTANT: Sure, I will help you. May I know your travelling dates?

USER: My travelling dates will be on 03/20 to 03/22.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight with price 200.

ASSISTANT: Thanks for your details, please hold on.

USER: Ok.

ASSISTANT: Thanks for waiting. There are no flights found on your data.

USER: Not an issue, thank you.

ASSISTANT: Thank you.