You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, do you need any help from us?

USER: Can you please help me in booking my ticket from MCO to DTW?

ASSISTANT: Sure, could you please share your departure and arrival day?

USER: Sure, my planned dates of journey are from Oct, 27 to Oct, 29.

ASSISTANT: Ok, could I have your name please?

USER: Sure, my name is Helen Hernandez.

ASSISTANT: Ok, do you need direct or connecting flight?

USER: Yes, I want to fly in a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: Yes, I want to travel in a business class.

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

USER: Ok, no problem. Anyways, thank you for your service.

ASSISTANT: You are welcome, have a great day.