You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you today?

USER: I am Katherine Baker here, I want to reserve my ticket from MCO to JFK, can you please help me out?

ASSISTANT: Sure, can you please share your travel dates?

USER: Sure, my planned dates of journey are from Mar, 01 to Mar, 03.

ASSISTANT: Do you have any class preference?

USER: No, I need a depart time which is at evening.

ASSISTANT: Katherine Baker , I am sorry to inform you that there is no flight available at your request.

USER: Ok, no problem. Thank you for your service.

ASSISTANT: You are welcome. Thank you for reaching us.