You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: Margaret Smith here. Can you please check for the flights from LAS, as I need to attend a meeting in IAD?

ASSISTANT: May I know your desired travel dates please?

USER: My journey dates are from Dec 20 to Dec 22.

ASSISTANT: There is a flight with connection limit 1 and fare 200, shall I proceed for booking?

USER: I need an economy class reservation with a single connection.

ASSISTANT: Flight available with economy class.

USER: You may proceed with booking my ticket.

ASSISTANT: Your ticket is booked, flight number 1026.

USER: Thank you for your assistance.

ASSISTANT: Thank you for your oping us.

USER: Most welcome.