You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I serve you today?

USER: Myself Anthony Davis. I want to meet my client on his birthday, can you please help me to book my flight ticket from AUS to BOS?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I will depart on Jan 30th and I will return back on Feb 1st.

ASSISTANT: Do you prefer a halt?

USER: Yes, I need single halt.

ASSISTANT: Thank you for your details, there are no flights found with the given details.

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

ASSISTANT: Thank you for choosing us.