You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I assist you today?

USER: Can you help me to book a connecting flight?

ASSISTANT: Sure, may I know your planned trip dates?

USER: My travelling dates are Nov 27 and 29.

ASSISTANT: May I know your airport codes?

USER: My airport codes are IAH and JFK.

ASSISTANT: May I know your good name?

USER: My name is Ronald Roberts.

ASSISTANT: Is there any class preference?

USER: No.

ASSISTANT: Any other requirements to be met?

USER: No.

ASSISTANT: United airlines flight- 1021 of price 200 with direct flight in economy class matches your given details, shall I proceed?

USER: Proceed with booking.

ASSISTANT: Ok, your flight ticket has been booked.

USER: Thank you.

ASSISTANT: Thank you for reaching us.