You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I would like to travel from IAH to AUS as a business trip.

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My journey dates are May 06th and May 08th.

ASSISTANT: Please give me a moment.

USER: Sure.

ASSISTANT: Sorry, no flights are available on your route.

USER: No problem, Thanks for the information.

ASSISTANT: May I know your name?

USER: Daniel Thomas here.

ASSISTANT: Thank you.