You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I aid you?

USER: I am planning to meet my business partner's at Boston. Can you please help me in reserving the ticket from SEA to BOS?

ASSISTANT: Sure,  I can help you. When would you like to make your trip?

USER: I am willing to take-off Dec 1 and again I will return back on Dec 3.

ASSISTANT: May I know your name?

USER: Myself Ruth Davis.

ASSISTANT: Do you need any break?

USER: I am flexible with single connection.

ASSISTANT: May I know your comforts to make your journey?

USER: My class preference is business.

ASSISTANT: Ok. We are unable to provide flight in between your journey routes due to some technical up-gradation at destination airport.

USER: Not a big deal, I will choose an other way to reach my destination.

ASSISTANT:  Ok, Thank you for opting us.

USER: Thank you very much for checking the status.