You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I help you?

USER: Emma Harris here. I want to book a flight ticket for my journey to Philadelphia. So, can you please check for the flights from AUS to PHL?

ASSISTANT: I am happy to help you, may I know your preferable dates to go?

USER: My journey will start on Sept 26th and I will be returning back on Sept 28th.

ASSISTANT: Is there any another specifications on your trip, so that I can arrange like that only.

USER: I would like to return in the morning. Also check for 1 connection flights. My budget is 200 only.

ASSISTANT: Sorry for the inconvenience, there is no flight running on route to book your ticket.

USER: Oh! That's very disappointing to know from your side. Anyways, thank you for checking.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Most welcome.