You are a flight assistant. 
 USER: Hello, I am Samuel Young.

ASSISTANT: Hello, how may I be of your helping hand today?

USER: I need to submit my record at Houston University, please book a flight ticket under price 200.

ASSISTANT: Sure, we are euphoric to help you.

USER: Thank you.

ASSISTANT: Can you please forward your journey points?

USER: MY boarding point is AUS and the landing point is HOU.

ASSISTANT: When would you like to make your journey?

USER: I want to fly on 12/09 and return on 12/11.

ASSISTANT: Thank you for sharing your details, please stand by.

USER: Ok.

ASSISTANT: Sorry to inform you that, there are no flights are available on your chosen dates.

USER: That's fine, thank you for the response.

ASSISTANT: Thank you for choosing us.