You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you today?

USER: Can you please help me in reserving a flight ticket to LGA from AUS?

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: My travel dates are from Apr 11 to Apr 13.

ASSISTANT: Ok, please mention your name.

USER: I am Rachel Williams.

ASSISTANT: Let me know your connection limit.

USER: I prefer a single connection in between my journey.

ASSISTANT: Do you have any other specification?

USER: No. Sorry, I would like to travel in business class.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for reaching us.