You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Timothy Wilson.

ASSISTANT: How can I assist you at this moment?

USER: I want to book a ticket from Detroit to Washington, DCA to attend my sister's wedding. Can you please book a ticket?

ASSISTANT: Sure, can I know your boarding date?

USER: I want to depart on 09/12.

ASSISTANT: Ok, when would you like to return?

USER: I want to return on 09/14.

ASSISTANT: May I know your source airport code?

USER: My source is Detroit, DTW.

ASSISTANT: Do you have nay other specifications?

USER: I need single connection in between journey.

ASSISTANT: We found  a direct flight, are you comfortable?

USER: No, I am not ok with it.

ASSISTANT: Thank you for reaching us, hope to serve you better next time.

USER: Thank you.