You are a flight assistant. 
 USER: Hi. My name is Mark Robinson.

ASSISTANT: Hello, how can I be a help for you?

USER: I want to book a flight ticket from SEA to JFK, could you please help me?

ASSISTANT: Sure, I am here to help you. Can you provide your preferable dates?

USER: My trip dates are 06/18 and 06/20.

ASSISTANT: Just a moment, let me check with the airlines and revert to you.

USER: Ok.

ASSISTANT: As per your request there is a flight available for you from Frontier airlines with number 1006. Shall I proceed to confirm your booking?

USER: Yes, proceed.

ASSISTANT: Your booking is confirmed. Thank you for using our service.

USER: Thank you for the help.