You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: Myself Kathleen Johnson. I want to book a flight ticket from MCO to DFW. Can you help me in that?

ASSISTANT: Sure, please let me know your travel dates to proceed further.

USER: My trip dates are Nov 2 to Nov 4.

ASSISTANT: Do you prefer either economy or business class?

USER: I am okay with any class.

ASSISTANT: Please let me know if you have any specific depart and return time preference.

USER: My depart time should be in the afternoon.

ASSISTANT: Do you have any specific airline preference?

USER: No.

ASSISTANT: Is there any other preference do you have?

USER: I need a flight with single connection.

ASSISTANT: Sure, please wait for a moment.

USER: Ok.

ASSISTANT: Sorry, no flight found on your requested dates.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for checking it with us.