You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Kenneth Wright.

ASSISTANT: How can I help you today?

USER: I am planning for a round trip from SEA, can you please help me in booking a flight ticket?

ASSISTANT: Sure, I will help you to book a flight ticket. Can you please share me your travelling dates?

USER: My travelling dates are Aug 27 and Aug 29.

ASSISTANT: Do you have any specifications?

USER: Yes, I need one halt.

ASSISTANT: May I know your airline preference?

USER: I am comfortable with any airline.

ASSISTANT: Ok, please wait for a moment.

USER: Ok, take your time.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: that's ok, I will choose any other way to reach my destination on time. Anyway thank you for checking.

ASSISTANT: Thank you for approaching us.