You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: I am looking for a flight from DTW to PHL, can you help me in booking with this flight?

ASSISTANT: Do you have any airline preference?

USER: Yes, I need a flight ticket for a normal-cost Airlines.

ASSISTANT: Can you share your travel dates?

USER: Sure, my planned travel dates are July 23 and July 25.

ASSISTANT: Do you have any connection limit?

USER: Please look for a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: May I know your name please?

USER: Myself Barbara Hall.

ASSISTANT: United Airlines with flight number 1007 with price 100 and a single connection is available. Is it ok for you?

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

ASSISTANT: Your ticket has been booked. Departure time is 11:00AM and arrival time is 15:00PM.

USER: Thank you for the service.

ASSISTANT: Thank you for reaching us. Have a safe trip.