You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How may I assist you?

USER: I am Donald Young. I would like to visit Boston for my client meeting, could you please help me to book my flight ticket from MCO to BOS?

ASSISTANT: Sure, I will help you. May I know your planned travel dates please?

USER: Sure, I have to depart in the morning on Feb 4 and I prefer to return in the afternoon on Feb 6.

ASSISTANT: Do you need a connecting flight or a direct flight?

USER: I need single connection flight.

ASSISTANT: Do you have any other preferences?

USER: No.

ASSISTANT: Donald Young, no flights has been found on your preferences.

USER: Not an issue. Anyway, thank you for checking.

ASSISTANT: Thank you for approaching us.