You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Sandra Phillips. I need to reach DEN to attend a board meeting. Can you book me a ticket from MCO?

ASSISTANT: Sure, we are here to help you. Can you share me your trip dates?

USER: My departure is on Oct 7th and arrivals is on 9th.

ASSISTANT: Do you need any way station in your journey? May I know your departure time and arrival time?

USER: Yes, I need 1 flag stop. I need to depart in the evening.

ASSISTANT: Do you have any other preferences?

USER: No, I am fine with above essentials.

ASSISTANT: Sorry to inform you that, there are no flights available with your requirements.

USER: That's alright, thanks for your assistance.

ASSISTANT: Thank you for choosing us.