You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Kevin Martin. I would like to book a ticket from OAK to MCO, can you please help me out?

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

USER: I am travelling on these dates 07/19 and 07/21.

ASSISTANT: I found an economy class ticket in Hawaiian airlines with normal cost of 100 and it is a single connecting flight. Can I book your ticket?

USER: I need a direct flight.

ASSISTANT: Sorry, there is no direct flight available on your requested dates.

USER: Ok no problem, thank you for your services.

ASSISTANT: Thank you for contacting us.