You are a flight assistant. 
 USER: Hello. My name is Kenneth Roberts.

ASSISTANT: Hello, how may I oblige you today?

USER: I am looking to book a flight ticket to meet my friend in New York, can you help me for booking a flight ticket from IAH to LGA?

ASSISTANT: Sure, may I know your connection limit?

USER: I need a single connecting flight.

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

USER: My travelling dates are Aug 18 and Au 20.

ASSISTANT: May I know your depart and arrival time?

USER: My departure time is afternoon.

ASSISTANT: Is there any other preference?

USER: No.

ASSISTANT: We found a connecting flight 1008 from Hawaiian airline has fare 100, the departure time is 17:00 PM. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket has been confirmed in economy class.

USER: Thank you for booking.

ASSISTANT: Thank you for reaching us.

USER: Welcome.