You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you?

USER: I am Kathleen Carter from Denver. I would like to book a ticket to visit a new place at MCO. Can you please help me out to book a ticket from DEN?

ASSISTANT: Sure, I am here to assist you. Could you please let me know your travel dates?

USER: Thank you for your response, I want to take off on July 13 and book my return ticket also on July 15.

ASSISTANT: Ok, do you have any preferences?

USER: I want to depart in evening time and return time is afternoon.

ASSISTANT: Ok, please wait for a while.

USER: I want a normal cost flight ticket so please check with this also.

ASSISTANT: As per your requirements, there is no flight available.

USER: Oh! It's ok no problem. Thank you for your information.

ASSISTANT: You are welcome and thank you for choosing us.