You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I support you today?

USER: I am Catherine Roberts. I want to meet my business partner at Washington-DC, can you please help me to book my flight ticket from AUS to IAD?

ASSISTANT: Sure, Can you please provide your preferred journey dates?

USER: Yes, I would like to start my journey on Sept 29th and I will return back on Oct 1st.

ASSISTANT: Ok, Do you need any halt?

USER: Yes, I need single connection.

ASSISTANT: Is there any class preference?

USER: No, I am ok with any class.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for your details, we found a flight in 1021 UA airline with a fare of 100 and single connection. Can I proceed for booking?

USER: Yes, you can book the ticket for me.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you so much for your help.

ASSISTANT: Thank you for reaching us.