You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I planned to travel from JFK to LGA, can you please help me to book a flight ticket?

ASSISTANT: When are you planning to make your journey?

USER: I prefer to travel on 05/28 and 05/30.

ASSISTANT: I found Hawaiian airline is available on your dates which matches your essentials and it costs you only 100.

USER: Ok, please confirm my booking.

ASSISTANT: Your booking is done.

USER: Thank you for your help.

ASSISTANT: Your welcome.