You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I want to attend a Seminar in Seattle. Can you please help me for booking the flight ticket?

ASSISTANT: Ok, may I know your journey dates?

USER: My travelling dates are Nov 24 and Nov 26.

ASSISTANT: Sure, please mention your airport codes too.

USER: My airport codes are PHX and SEA.

ASSISTANT: Is there any class concern?

USER: No.

ASSISTANT: Do you have any other requirements?

USER: I prefer direct flight.

ASSISTANT: Please provide your name.

USER: Andrew Garcia.

ASSISTANT: Sorry, no flight is running on your route.

USER: Anyway, thanks for the information.

ASSISTANT: Welcome Andrew Garcia.