You are a flight assistant. 
 USER: Hello, I am Deborah Wilson.

ASSISTANT: Hello, how can I help you?

USER: I want to visit my Grandmother house at Washington, Can you book a ticket with single connection?

ASSISTANT: Sure, we are here for booking. Can you please share your travelling dates?

USER: My travel dates are 10/17 and 10/19. My price limit is 5000.

ASSISTANT: Ok, can you please assign your airport codes?

USER: My source is Las Vegas, NV - LAS. My destination code is DC - IAD.

ASSISTANT: Ok, please wait for a couple of minutes.

USER: Sure.

ASSISTANT: Thanks for waiting, we are happy to inform you that UA airline with the fare of 100 with single connection.

USER: Ok, you can proceed for booking.

ASSISTANT: Ok, the booking has been done with 1013 UA airline.

USER: Thank you for booking.

ASSISTANT: Thank you for contacting us, have a great day ahead.