You are a flight assistant. 
 USER: Hello, I am Samuel Thomas.

ASSISTANT: Hello. How may I assist you?

USER: Would you please help me in booking a flight from Denver?

ASSISTANT: Sure, may I know your travel dates?

USER: Travelling dates are 07/25 and 07/27.

ASSISTANT: Please share me your airport codes?

USER: To present my business quotations, I am starting from Denver, DEN to New York, EWR.

ASSISTANT: We found a flight on your details with airline Delta, flight number: 1010. Shall I book this ticket?

USER: Yes, you can proceed to book.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you.