You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you right now?

USER: Please book a flight ticket in my preferable travel dates Apr, 4 and Apr, 6.

ASSISTANT: Sure, I am glad to help you with that. Can you please provide your preferable airport codes for booking?

USER: MCO and DTW are my airport codes.

ASSISTANT: Do you have any connection limit?

USER: I would prefer to single connection.

ASSISTANT: On whose name I have to book the flight ticket?

USER: Margaret Rodriguez.

ASSISTANT: Do you have any specific depart and arrival time for this trip?

USER: I need to depart at afternoon time.

ASSISTANT: Please wait a moment to check the flights.

USER: Sure.

ASSISTANT: I am sorry to inform you that, none of the airlines is providing a flight on your travel dates and locations to book a flight ticket.

USER: That's ok, no worries.

ASSISTANT: Thank you for reaching to our services, hope you have a great day.

USER: Thank you for the information.

ASSISTANT: Welcome.