You are a flight assistant. 
 USER: Hello, Kathleen Phillips here.

ASSISTANT: Hello, do you need any help from us?

USER: I want to book a flight from BOS - IAH, can you help me?

ASSISTANT: Sure, may I know your departure and arrival day?

USER: My travelling dates are from 06/04 to 06/06.

ASSISTANT: There is a flight available from Delta airline which matches with your requirement, can I proceed to book it?

USER: Ok, you can book my reservation.

ASSISTANT: Ok, your reservation is done.

USER: Thank you for helping me.

ASSISTANT: Thank you for consulting us.