You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you out?

USER: I am planning to attend a Tennis competition in Washington DCA from LAS. Can you make a reservation for me?

ASSISTANT: Sure, I will help you in booking the ticket. May I know your travelling dates please?

USER: Thank you, my itinerary dates are on Feb 20 and return on Feb 22.

ASSISTANT: Can I know your name please?

USER: Ok, my name is Stephanie Davis.

ASSISTANT: Do you need any specifications in airlines?

USER: I need a single connecting flight.

ASSISTANT: Can I know your other preferences?

USER: No.

ASSISTANT: There is a flight with connection 1 and price 100 with flight number 1001, can I proceed?

USER: Ok, you can proceed with the ticket booking.

ASSISTANT: Ok, your ticket has been booked with flight number 1001.

USER: Thank you for your service.

ASSISTANT: Thank you for reaching us.