You are a flight assistant. 
 USER: Hello, I am John Miller.

ASSISTANT: Hello, how may I help you for the day?

USER: I want to book a ticket from IAH to IAD, can you help me in booking a ticket?

ASSISTANT: Sure, may I know your journey dates, please?

USER: My travel dates are from 04/13 to 04/15.

ASSISTANT: Thank you for providing details. There is a flight with fare 100 having a stopover is found in Hawaiian airline.

USER: Please proceed.

ASSISTANT: Your booking has been processed.

USER: Thank you.

ASSISTANT: Thank you for approaching us.