You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Lisa Parker here. I want to book a flight from BOS - OAK, can you help me?

ASSISTANT: Sure, I will help you out. May I know your travelling dates please?

USER: I would like to travel on 08/11 to 08/13.

ASSISTANT: Ok, please wait a moment.

USER: Sure.

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

USER: Ok, please book it.

ASSISTANT: OK, your ticket has been booked.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing us.

USER: Most welcome.