You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you aid me to book a flight ticket from DEN to LAX?

ASSISTANT: May I know your travelling dates?

USER: I planned  my trip on the dates Aug 16 an Aug 18.

ASSISTANT: Do you have any other preference?

USER: I am looking for a connecting flight with normal cost airline and please check with the evening flight for my return journey.

ASSISTANT: Can I know your name?

USER: Myself Christopher Green.

ASSISTANT: Here is a connecting flight with ticket fare 100 and 1003 as flight number in Hawaiian Airline. Shall I proceed with booking?

USER: Yes, please proceed.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for reaching us.