You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, may I know your good name?

USER: I am Timothy Lopez.

ASSISTANT: Ok, how may I assist you at this moment?

USER: I want to book a connecting flight to Boston to meet my grand parents, can you please help me with booking?

ASSISTANT: Sure, we are here to help you. May I know on which date you would like to travel?

USER: My travel dates are from 03/07 to 03/09.

ASSISTANT: Ok, please provide your preferred airport codes?

USER: My airport codes are from CA-SFO to MA-BOS. I need a flight within the price 500.

ASSISTANT: Ok, wait for couple of minutes. In the meanwhile I will check flights for you.

USER: Ok.

ASSISTANT: Thanks for waiting. We are happy to inform you, there is a flight in AA airline with a connection matches your criteria. Airfare is 200 with 1003 flight number.

USER: You an proceed with booking.

ASSISTANT: Ok, your booking has been confirmed finally.

USER: Thank you for your assistance.

ASSISTANT: Thanks for communicating with us, hope to assist you again.