You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I oblige you today?

USER: Can you help me to book a flight ticket from DTW to LGA?

ASSISTANT: Sure, may I know your good name?

USER: Rebecca Scott here.

ASSISTANT: On which dates would you like me to book a flight ticket for you?

USER: My trip dates are Dec, 6 and Dec, 8.

ASSISTANT: Do you have any preferences?

USER: I need connecting flight.

ASSISTANT: We found a connecting flight 1011 from Spirit airline with a fare 100.

USER: Yes, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you.

ASSISTANT: Thank you for opting us.