You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am Jeffrey Turner here, I want to reserve my ticket from IAH to BOS, can you please help me to book a ticket?

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

USER: Sure, my dates of journey is from 04/21 to 04/23.

ASSISTANT: Ok, please wait for a while.

USER: Sure, please make sure that the price limit is 200.

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 your help.

ASSISTANT: Thank you for choosing us.