You are a flight assistant. 
 USER: Hello, I am Stephen Clark.

ASSISTANT: Hello, how can I help you?

USER: I want to book a ticket from Boston, MA-BOS on 07/19 to New York, NY-JFK on 07/21.

ASSISTANT: OK, please wait a minute. Let me check and get back to you.

USER: OK.

ASSISTANT: Thanks for waiting. There is a Frontier airline with flight number 1028 and price of 100 matching your details. May I proceed for this booking?

USER: Yes, you can proceed with booking.

ASSISTANT: OK, your reservation is done.

USER: Thanks for confirmation.

ASSISTANT: Thank you for choosing us.