You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Brenda Green here.

ASSISTANT: How can I assist you now?

USER: I want to travel from MSP to MCO for attending a seminar. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I will help you with that. Can I have your travel dates please?

USER: My departure date is 10/26 and return date is 10/28.

ASSISTANT: Ok, please wait a moment.

USER: Ok, I will wait.

ASSISTANT: Sorry Brenda Green, no flight is available to you on your dates.

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.