You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: I am Joseph Thomas, can you help me to book a flight from DTW to IAH?

ASSISTANT: Sure, may I know your travelling dates?

USER: My travelling dates are June 21 and 23.

ASSISTANT: Do you need a connecting flight?

USER: I need a connecting flight.

ASSISTANT: We found a flight on Hawaiian airline, flight number 1003 with the fare of 200. Shall I proceed?

USER: Proceed with booking.

ASSISTANT: Your ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.