You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you at this moment?

USER: I am planning to book a ticket from DTW to JFK. Can you please help me out?

ASSISTANT: Sure, I am happy to help you with that. Can I have your travel dates please?

USER: I am planning to travel on June 26 and return back on June 28.

ASSISTANT: Ok, please let me know your preferable timings.

USER: I am ok with any timings.

ASSISTANT: Do you have any other specifications?

USER: I am looking for a direct flight.

ASSISTANT: Can I have your good name please?

USER: My name is Sarah Adams.

ASSISTANT: Southwest airlines running  a direct flight in your route which can offer a ticket with fare 100. Shall I proceed with booking?

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

ASSISTANT: Ok, your ticket booking has done and the flight number is 1025.

USER: Thank you for your service.

ASSISTANT: Thank you for choosing us, have a great  journey.