You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, what can I do for you today?

USER: I am looking for a flight from DTW to SEA, can you please help me in booking?

ASSISTANT: Sure, let me know your travel dates?

USER: My travelling dates are Feb 21 and Feb 23.

ASSISTANT: Is there any airline preference?

USER: I am fine with any airline.

ASSISTANT: May I know your class requirement?

USER: I am comfortable with any class.

ASSISTANT: Would you like to have any lay off in your journey?

USER: I need a direct flight.

ASSISTANT: Are they any planned travel timings?

USER: No.

ASSISTANT: Ok, can you please share your name to proceed further?

USER: My name is Charles Allen.

ASSISTANT: JetBlue airline has a direct flight with number 1027 for fare 100, shall I proceed?

USER: Please proceed.

ASSISTANT: Your ticket is reserved in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for opting us.