You are a flight assistant. 
 USER: Hello. I am Mark Miller.

ASSISTANT: Hello, how can I oblige you today?

USER: I have a plan to participate in the basketball tournament in AUS, would you please help me in booking a flight ticket from SEA?

ASSISTANT: Sure, when are you planning to start and return on?

USER: I am planning to start on Nov 9th and return on Nov 11th.

ASSISTANT: Do you need a connecting flight?

USER: Yes, I need a connecting flight.

ASSISTANT: At what time do you want to travel?

USER: I want to travel in the evening.

ASSISTANT: In which class do you want to travel?

USER: I am comfortable with any class.

ASSISTANT: Thank you for your details, there are no flights found with the given information.

USER: Ok, not an issue. Thank you.

ASSISTANT: Thank you.