You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am planning to visit Magic Kingdom at Orlando, could you please help me with booking a flight ticket from IAD to MCO?

ASSISTANT: Can you give me your trip dates?

USER: I would like to depart on Oct 25th and return on Oct 27th.

ASSISTANT: Do you have any connection limit?

USER: I need a connecting flight.

ASSISTANT: Do you have any other preferences?

USER: I have no other preferences.

ASSISTANT: Your good name please.

USER: I am Mary Collins.

ASSISTANT: Sorry to say that, there is no flight found with your details.

USER: Ok, not an issue. Anyways, thank you for the information.

ASSISTANT: Thank you for reaching us.