You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I would like to visit The White House in the month of April, so I am searching for a flight to IAD.

ASSISTANT: Ok, can I know from where you want to start your journey?

USER: I would like to start my journey from ORD.

ASSISTANT: Ok, please share your travelling dates.

USER: My travelling dates are from 04/27 to 04/29.

ASSISTANT: Before proceeding further, may I know your name please?

USER: Yes, my name is Cynthia Green.

ASSISTANT: Cynthia, there is a flight available in Spirit airline on your provided dates. Can I proceed with the booking?

USER: Yes, you can proceed further with the booking.

ASSISTANT: Ok. Your ticket is booked.

USER: Thank you for booking the ticket for me.

ASSISTANT: Most welcome.