You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: Could you please help me to book a direct flight from Charlotte to visit Olympic National Park in Houston?

ASSISTANT: Sure, may I know your planned travel dates please?

USER: I would like to depart on Mar 3rd and my return date will be on Mar 5th.

ASSISTANT: Do you have any specifications?

USER: No, I don't have any other specifications.

ASSISTANT: Can you please share your airport codes?

USER: My source point is CLT and my destination point is IAH.

ASSISTANT: May I know your good name please?

USER: I am Betty Taylor.

ASSISTANT: There is a flight available on your requested dates from Hawaiian airlines with arrival time 21 PM and depart time 5 AM, shall I confirm your booking?

USER: That's fine, you can proceed with the booking.

ASSISTANT: Your ticket is booked with flight 1023.

USER: Thank you for your support in booking.

ASSISTANT: You are welcome.