You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you at this moment?

USER: Dennis Collins here. Please help me out in booking the ticket from OAK to MCO.

ASSISTANT: Sure, I am here to help you. Can you please provide your journey dates?

USER: My trip dates will be Mar 21 to Mar 23.

ASSISTANT: Do you have any connection limit preference?

USER: My connection limit is 1.

ASSISTANT: May I know your specific depart and arrival timings for this trip?

USER: No timings required.

ASSISTANT: Do you have any airline preference?

USER: I want to travel in normal cost airline.

ASSISTANT: Dennis Collins, we regret to inform you that there are no flight services are available on this route on your provided dates.

USER: That's ok. Thank you.

ASSISTANT: Thank you for contacting us.