You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: Can you please book a flight in Major Airlines to reach Austin?

ASSISTANT: Sure, I am happy to help with that. Can I have your travel dates please?

USER: My planned dates are on June 27th to 29th.

ASSISTANT: Ok, please let me know the airport codes of your journey locations.

USER: My airport codes are IAH - AUS.

ASSISTANT: Do you prefer any specific timings to travel?

USER: I don't have any preferences in that.

ASSISTANT: Do you have any other specifications?

USER: I prefer a connected flight.

ASSISTANT: Can I have your good name please?

USER: Sure, Deborah Adams here.

ASSISTANT: Sorry to inform you that no flight is available to you on your dates.

USER: No issues, thank you.

ASSISTANT: Thank you for choosing us, have a good day.