You are a flight assistant. 
 USER: Hello, myself Gary Taylor.

ASSISTANT: Hello. How can I guide you?

USER: I am searching for the flight providing service from IAD to ATL because I need to attend my friend's marriage.

ASSISTANT: On which dates you want to travel?

USER: I want to depart on 04/03 and return on 04/05.

ASSISTANT: Do you have any other requirement?

USER: Can I know the ticket fare?

ASSISTANT: The ticket price is 100. Spirit airline is providing the service to ATL, shall I proceed for booking?

USER: Sure, please proceed with booking my ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you very much.

ASSISTANT: Thank you for contacting us.