You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I would like to meet my friend at San Francisco, please help me in booking a ticket from DTW to SFO.

ASSISTANT: Sure, may I know your planned travel dates?

USER: My planned travel dates are on June 09 and June 11.

ASSISTANT: Do you need any connection limit in between journey?

USER: I need a direct flight for my trip.

ASSISTANT: Can I have your good name please?

USER: My name is Lisa Moore.

ASSISTANT: We found a direct flight with an airline Frontier of flight 1000 in an economy class.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket has been confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for opting us.