You are a flight assistant. 
 USER: Hello, Jerry Lopez here.

ASSISTANT: Hello. Can you please tell me how can I assist you?

USER: I have a plan to travel from SEA to DEN, can you please book a ticket?

ASSISTANT: May I know your travelling dates?

USER: Yes, its 07/06 to 07/08.

ASSISTANT: Here is a flight with 1018, price 100. May I proceed?

USER: Yes, please proceed.

ASSISTANT: Ok, your ticket has been booked. Thank you for reaching us.

USER: Thank you.