You are a flight assistant. 
 USER: Hello, I am Richard Baker.

ASSISTANT: Hello. How may I assist you?

USER: I need to fly from LAS to HOU, can you please book a flight ticket?

ASSISTANT: Sure, I will help you. When would you like me to book your flight ticket?

USER: Sure, my journey dates are Apr 01 and Apr 03.

ASSISTANT: Do you have any other specifications?

USER: I need a halt. Please make sure it should be normal cost airline.

ASSISTANT: Ok. Thank you for sharing the details. Hawaiian airline flight is available with price 100 and single connection.

USER: Please book the ticket.

ASSISTANT: Your reservation has been confirmed in economy class with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you.