You are a flight assistant. 
 USER: Hello. I am Carol Hall.

ASSISTANT: Hello, how may I assist you?

USER: Please help me in booking from Detroit, DTW to Phoenix, PHX for attend an interview.

ASSISTANT: Sure, we are here to help you.

USER: Thank you.

ASSISTANT: May I know your travel dates?

USER: My travelling dates are from 08/18 to 08/20.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

ASSISTANT: We found an airline UA with flight 1012 having a fare 100 with halt. Shall I proceed?

USER: Ok, Proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you.