You are a flight assistant. 
 USER: Hi. Myself Kenneth Lee.

ASSISTANT: hello. How can I assist you?

USER: I want to travel from IAD to SFO, can you please book a flight ticket for me?

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 08/01 and 08/03.

ASSISTANT: Happy news for you here  is a flight with connection limit 1 and flight number 1021. May I proceed?

USER: Please proceed it.

ASSISTANT: Ok, your ticket has been booked with airline AA and price 100.

USER: Thank you so much.

ASSISTANT: Thank you for reaching us.