You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Stephen Adams. I would like to book a ticket from JFK to SFO, can you help me?

ASSISTANT: Sure, may I know your travelling dates?

USER: My planned dates are 10/15 and 10/17.

ASSISTANT: Ok, please give me a minute so that I can check the availability of flights for you.

USER: Ok.

ASSISTANT: There is a flight for you with price 200 and flight number is 1008. Is it ok for you?

USER: Yes, book it.

ASSISTANT: I confirmed your ticket successfully.

USER: Thank you for booking.

ASSISTANT: Welcome.