You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Mary Turner here.

ASSISTANT: How may I guide you today?

USER: I would like to book a ticket from MCO to DEN, can you please help me with that?

ASSISTANT: Sure, I will help you with that. Can you please provide your preferable travelling dates?

USER: The travel dates are from 11/17 to 11/19.

ASSISTANT: Do you have any class preference?

USER: No, but I need a flight with 1 connection limit.

ASSISTANT: Is there any specific timings in your departure and arrival?

USER: I would like to depart during morning time.

ASSISTANT: Please be on hold to check the flights availability.

USER: Ok.

ASSISTANT: We regret to inform you that, there are no flights running on your route with your requested preferences.

USER: That's ok, thank you for your help.

ASSISTANT: Thank you for reaching us, have a great day.