You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, How can I help you?

USER: I am Debra Scott.

ASSISTANT: Ok.

USER: Please, book me a flight to Seattle, to attend pagan festival.

ASSISTANT: Sure.

USER: Thank you.

ASSISTANT: Can you share your trip codes?

USER: I will start from DTW and return from SEA.

ASSISTANT: Now, forward your travel dates please.

USER: 12/14 - 12/16 are my dates of trip.

ASSISTANT: Thanks for your details, but no flights found in search.

USER: Ok, I will choose other airline.

ASSISTANT: Thank you for choosing us.

USER: Thank you.