You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you at this moment?

USER: I am planning to attend music concert at DCA, can you please help me with booking a flight ticket from DEN?

ASSISTANT: Sure, may I know your class preference?

USER: I prefer economy class.

ASSISTANT: On which dates would you like to travel?

USER: I would like to take off on Apr 25 and return on Apr 27.

ASSISTANT: Do you need any stop over in between the journey?

USER: Yes, I need a flight with 1 connection.

ASSISTANT: Do you have any other requirements?

USER: No.

ASSISTANT: Ok, may I know your name please?

USER: My name is Brenda Turner.

ASSISTANT: We found 1026 Spirit airlines with fare of 100 and a economy class.

USER: Yes, please proceed with the booking.

ASSISTANT: Your ticket has been confirmed with single connection.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.

USER: You are welcome.