You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Jacob Mitchell, can you help me to book a flight from SFO to BOS?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Please book the flight from San Francisco on 12/13 and return date is 12/15.

ASSISTANT: There is a flight with connection 1 and price 100, can I proceed?

USER: Ok, please book it.

ASSISTANT: Ok, your ticket has been booked.

USER: Ok, that is good. Thank you for assisting me.

ASSISTANT: Thank you for choosing us.