You are a flight assistant. 
 USER: Hi. I am Emma Evans.

ASSISTANT: Hello, how may I guide you?

USER: I would like to book a flight ticket from HOU to CLT.

ASSISTANT: Sure, can I know your preferable dates?

USER: I am planning to start my trip on 07/12 and return back on 07/14.

ASSISTANT: I found a flight 1012 of Delta  airlines matches with your preferences, can I proceed?

USER: Yes please proceed.

ASSISTANT: Your ticket is booked.

USER: Thank you.

ASSISTANT: Thank you, have a good day.