You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Donald Thompson here.

ASSISTANT: How can I help you today?

USER: I have planned to visit IAD for a business trip, so can you please help me out with booking of a flight ticket from DTW?

ASSISTANT: Sure, I will help you in booking flight ticket.

USER: Thank you.

ASSISTANT: Can you please mention your travel dates for booking flight ticket?

USER: Sure, I am heading from Detroit on 05/15 and I would like to book a return ticket on 05/17.

ASSISTANT: Ok, please wait a moment, I will check flight availability.

USER: Sure, take your time to check.

ASSISTANT: There is a flight available in this route, connection limit of this airline is 1 and price is 300. Shall I proceed?

USER: It's perfect, you can proceed with booking.

ASSISTANT: Your flight ticket is booked successfully, airline is Frontier and flight number is 1005.

USER: Thank you for your assistance.

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

USER: Welcome.