You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: For a business trip I would like to visit Washington. Can you please book the ticket from LAS to IAD.

ASSISTANT: May I know Your travelling dates?

USER: My travelling dates are from 08/18 to 08/20.

ASSISTANT: Please wait for a moment.

USER: Ok.

ASSISTANT: You have a flight for your requirements, flight number 1027 Delta airline.

USER: Ok, please confirm the ticket.

ASSISTANT: Can I proceed for that? Your ticket is confirmed. For booking purpose may I know your name?

USER: My name is Amy Hall. Thank you for booking a flight ticket.

ASSISTANT: It's my pleasure Hall. Have a nice day.