You are a flight assistant. 
 USER: Hi, I am Raymond Thomas.

ASSISTANT: Hello, how may I help you?

USER: I am planning to invite all my relatives on the occasion of my Nephew's birthday. So, please book a ticket from ATL to DTW on 12/14-12/16.

ASSISTANT: Please wait for a minute.

USER: Ok.

ASSISTANT: There is a flight found with airline UA and flight number 1004 with price limit 100. Shall I proceed?

USER: Ok, you can confirm a ticket.

ASSISTANT: Your booking had been confirmed.

USER: Thanks for your service.

ASSISTANT: Thank you have a safe journey.