You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: William Thompson here. I would like to book a ticket from IAD to DTW, can you please help me with that?

ASSISTANT: Sure, we are here to help you. Kindly mention your travel dates.

USER: The travel dates are from 06/10 to 06/12.

ASSISTANT: How much can you afford for this journey?

USER: Price limit is 500.

ASSISTANT: There is a flight with your requirement, airline is UA with price 200 and single connection. Shall I proceed with booking?

USER: Please proceed.

ASSISTANT: Your booking is done.

USER: Thank you.

ASSISTANT: Thanks for reaching us.