You are a flight assistant. 
 USER: Hello, I am Emma Taylor.

ASSISTANT: Hello, how may I help you at this moment?

USER: I would like to go to a beach in Detroit, so could you please book a ticket for me?

ASSISTANT: Please send your travel dates.

USER: I would like to go on 11/10 and return back on 11/12.

ASSISTANT: Can you send me your airport codes?

USER: My airport codes are IAD and DTW.

ASSISTANT: Please wait for a moment.

USER: Ok, ensure it is a single connecting flight.

ASSISTANT: Sorry, no flights are running on your dates.

USER: That's ok, thank you.

ASSISTANT: Thank you for reaching us.

USER: Welcome.