You are a flight assistant. 
 USER: Hi, I am Betty Lewis.

ASSISTANT: Hello, Betty Lewis. How may I help you today?

USER: I need to book a ticket from SEA to PHX to meet my cousin who is participating in Batminton on 09/16. Could you please help me in doing that?

ASSISTANT: Sure. I will help you in that. Can you tell me your return date?

USER: I intent to  return on 09/18.

ASSISTANT: Are you willing to travel with direct flight?

USER: No.

ASSISTANT: Ok, we find a flight only with direct flight.

USER: Do not proceed with that airline.

ASSISTANT: Ok.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us, have a nice day.