You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: Ruth Anderson here. Can you please book me a connecting flight from LAS to IAD?

ASSISTANT: May I know your desired travel dates please?

USER: Sure, my travel dates are from 02/20 to 02/22.

ASSISTANT: Please wait a while.

USER: Sure, I will wait for your response.

ASSISTANT: There is a flight with connection limit 1 and fare 100, shall I proceed for booking?

USER: Ok, please proceed with booking.

ASSISTANT: Your ticket is booked, flight number 1000.

USER: Thank you for your service.

ASSISTANT: Thank you for opting us.