You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Green here.

ASSISTANT: How may I assist you?

USER: I want to book a ticket from SEA and den.

ASSISTANT: Ok, may I know your travel dates?

USER: Sure, my desired trip dates are 10/31 and 11/02.

ASSISTANT: Ok, please give me a minute while I am searching the flight with the details you have provided.

USER: Ok.

ASSISTANT: I got a connecting flight-1006 on UA airlines, shall I book it?

USER: No I need direct flight please  will you check for it?

ASSISTANT: Sorry, there is no direct flight on your route.

USER: Its ok, no issues.

ASSISTANT: Thanks for choosing us, have a good day.

USER: Thank you.