You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am Helen Phillips. I would like book a ticket from DEN to IAD, can you please help me out?

ASSISTANT: Sure, I will help you. Please provide your planned travel dates.

USER: I am travelling on these dates Aug 28th and 29th.

ASSISTANT: Do you need any halt in between your journey?

USER: I need a halt.

ASSISTANT: Please provide your dates clearly.

USER: I am travelling on these dates Aug 29th and 31st.

ASSISTANT: I found an economy class ticket in AA airlines with fare 100 and it has single connection. Can I book your ticket?

USER: Ok, you can proceed.

ASSISTANT: Ok, your booking is confirmed with flight number 1019.

USER: Thank you for your services.

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