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

ASSISTANT: Hello, how may I guide you?

USER: Can you book me a ticket from LAS to ATL?

ASSISTANT: Sure, can I know your preferable dates?

USER: Ok, here are my preferred travelled dates 07/20 and 07/22.

ASSISTANT:  I found a flight 1016 of UA airlines matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you for the help.