You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Patricia Parker. Could you please help me in booking a flight ticket to Boston with an economy class?

ASSISTANT: Sure, may I know your origin location?

USER: I need to board from Denver.

ASSISTANT: Please share me you travel dates.

USER: My travel dates are Mar 18 and Mar 20.

ASSISTANT: Do you prefer economy or business class?

USER: I prefer an economy class.

ASSISTANT: We found a economy flight details with airline Delta, flight number: 1023. Shall I book this ticket?

USER: Yes, please confirm my ticket.

ASSISTANT: Your ticket has been reserved with the fare of 200.

USER: Thank you for the help.

ASSISTANT: Thank you.