You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Richard Davis.

ASSISTANT: How can I help you?

USER: I want to travel from DFW to LGA. Can you help me to book a flight ticket?

ASSISTANT: May I know your travel dates?

USER: I want to fly in the flight on July 23 and July 25.

ASSISTANT: Do you have any preferences?

USER: I want to prefer normal-cost airline.

ASSISTANT:  Do you have any other preferences?

USER: I want to have a connection of 1.

ASSISTANT: Flight-1024 is available in Hawaiian airlines with single connection and the flight fare is 200. Can I proceed?

USER: Proceed to booking.

ASSISTANT: Your booking is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.