You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I render you today?

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

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

USER: Travelling dates are from Jan, 26 to Jan, 28.

ASSISTANT: Is there any connection limit?

USER: I would prefer connecting flight.

ASSISTANT: Do you have any other specifications?

USER: I prefer economy class.

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

USER: My name is Sharon Wilson.

ASSISTANT: We found a connecting flight 1021 from United airlines with a fare 200. Shall I proceed?

USER: Please book a ticket.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thanks.

ASSISTANT: Thank you for reaching us.