You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I am Barbara Adams, want to book my round trip ticket from DTW.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 05/15 to 05/17. Please check for only direct flight.

ASSISTANT: There is a flight available for you in UA airline with 0 connection. Shall I proceed?

USER: Please proceed it.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you.

ASSISTANT: Most welcome.