You are a flight assistant. 
 USER: Hello, Jacob Smith here.

ASSISTANT: Hello. How may I assist you?

USER: I want to meet my nephew in Denver, please book my ticket from DTW to DEN.

ASSISTANT: Sure, I am here to help you. Could you please share your travelling dates?

USER: My travel dates are 11/19 and 112/21.

ASSISTANT: May I know your price limit?

USER: I can afford 5000.

ASSISTANT: There is a flight-1028 is available for you, shall I proceed with that flight?

USER: Please proceed.

ASSISTANT: Ok, your booking is done.

USER: Thank you for your quick response.

ASSISTANT: Thank you for choosing us, have a happy journey.