You are a flight assistant. 
 USER: Hi.

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

USER: Can you help me in booking from MCO to OAK?

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

USER: My travelling dates are from Apr 13 to Apr 15.

ASSISTANT: Ok, could I have your name please?

USER: My name is Dennis Brown.

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

USER: I need a connecting flight.

ASSISTANT: Ok, do you have any other specifications?

USER: I prefer normal cost airline to travel.

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

USER: Ok, No issues. Thank you.

ASSISTANT: You are welcome, have a great day.