You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

USER: I want to book a ticket from CLT to DTW. Could you book a ticket?

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

USER: Departure is by Apr, 4 and return date is Apr, 6.

ASSISTANT: Do you have any specifications?

USER: I would like to return in the afternoon.

ASSISTANT: On what name, do I need to reserve the ticket?

USER: My name is Barbara Scott.

ASSISTANT: We found a connecting flight 1023 from Spirit airline with a fare 100 and arrival time is 19:00 hours. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks.

ASSISTANT: Thank you for availing us.