You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Karen Jones.

ASSISTANT: How may I help you?

USER: Could you please help me to book an economy class ticket with single connection from Detroit to attend my nephew's baby shower in Austin?

ASSISTANT: I am happy to help you, please mention your trip dates to go.

USER: Feb 27th and Feb 29 are my planned travelling dates.

ASSISTANT: Ok, may I know your locations?

USER: My source and destination airport code are DTW and AUS.

ASSISTANT: There is a connecting flight-1003 with price 100, is it ok for you?

USER: Yes, you can book the ticket.

ASSISTANT: Ok, booking is done on Frontier airlines.

USER: Thank you for your assistance in booking.

ASSISTANT: Thanks for contacting us.