You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Edward Hernandez. I am looking for a flight from IAD to DTW, can you help me in booking with this flight?

ASSISTANT: Sure, I am glad to assist you. May I know your travel dates?

USER: Sure, my planned travel dates are Oct 19 and Oct 21.

ASSISTANT: Ok, can you please let me know your preferences?

USER: Yes, I am looking for a connecting flight.

ASSISTANT: Ok, please wait for a while.

USER: Sure, I will wait for your response.

ASSISTANT: Flight-1022 is available in Spirit airlines and the ticket price is 200 only. Can I book the ticket for you?

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

ASSISTANT: Your ticket is booked successfully in economy class. Have a great flight.

USER: Thank you for your service.

ASSISTANT: You are welcome and thank you for choosing us.