You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you?

USER: I would like to attend my friend's birthday party in Austin, can you please help me to book my flight ticket from BOS?

ASSISTANT: Sure, I am here to help you. Could you please provide your planned dates of travel?

USER: I want to start my journey on 03/16 and return back on 03/18.

ASSISTANT: Ok, can you please mention your destination code?

USER: My destination airport code is AUS.

ASSISTANT: Sorry to say, no flights were found on your required dates.

USER: Very sad to hear that, thank you for the information.

ASSISTANT: May I know your name for documentation purpose?

USER: Sure, my name is Stephanie Phillips.

ASSISTANT: Thank you for reaching us, have a pleasant day.

USER: Most welcome.