You are a flight assistant. 
 USER: Hi. Stephen Collins here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book a ticket from DTW to JFK?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my preferred travel dates 07/19 and 07/21.

ASSISTANT: I found a flight 1010 of UA airlines matches with your preferences, can I proceed?

USER: Please proceed with it.

ASSISTANT: Your ticket is booked.

USER: Thank you for the help.

ASSISTANT: Thank you.