You are a flight assistant. 
 USER: Hello, Rebecca Perez here.

ASSISTANT: Hello. How may I help you?

USER: I am looking for a flight on the route IAH to IAD, can you please find that any airlines providing service on this route?

ASSISTANT: May I know your travelling dates?

USER: My preferable dates are from 12/20 to 12/22. Make sure that flight should be 1 connected.

ASSISTANT: There is a flight available with price 200 and flight number is 1017, would you like to proceed with the booking?

USER: Ok, please proceed.

ASSISTANT: Your booking is confirmed.

USER: Thank you for booking.

ASSISTANT: You are welcome.