You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I serve you?

USER: Myself Donald Gonzalez. I am looking for a flight from DTW to ORD, can you help me in booking?

ASSISTANT: Sure, I will help you. Please send your travelling dates.

USER: My planned travel dates are Jan 22 and Jan 24.

ASSISTANT: Do you have any preferences?

USER: I prefer economy class for this journey.

ASSISTANT: Please stay connected, I will check the availability.

USER: Sure, I will wait for your response.

ASSISTANT: There is a direct flight available with Spirit airline, shall I proceed?

USER: That's fine, please proceed in booking.

ASSISTANT: Your booking is done with flight number 1007. Happy journey.

USER: Thank you for the service.

ASSISTANT: You are welcome, have a nice day.