You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to travel from SFO to DTW. Can you help me to book a flight ticket?

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I want to travel in the flight on July 28 and July 30.

ASSISTANT: Are you looking for a connecting flight or direct flight?

USER: I want to travel in a connecting flight.

ASSISTANT: Do you have any class preferences?

USER: I prefer economy class.

ASSISTANT: Do you have any other requirements that you are looking for?

USER: No.

ASSISTANT: Can you please provide your name to proceed further?

USER: Shirley Garcia.

ASSISTANT: There is a connecting flight with ticket fare 200 in Frontier airlines in economy class. Is it ok for you?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed with flight number 1015. Departure time is 2:00 hours and arrival time is 16:00 hours.

USER: Thank you for your help.

ASSISTANT: Thank you for contacting us, have a nice day.