You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Katherine Parker here.

ASSISTANT: What help that you are expecting from my side?

USER: I need your help to make a flight reservation from DEN to MCO, can you help me?

ASSISTANT: Sure, I am glad to help you and may I know your airborne and recur planned journey dates?

USER: My journey dates are Jan, 07 and Jan, 09.

ASSISTANT: Is there any timing preferences that you need?

USER: No, I do not need any timing  preferences.

ASSISTANT: I regret to inform you that there is no flight that is moving towards your location to book a ticket.

USER: That's fine, thanks for your information.

ASSISTANT: You are most welcome, thank you for reaching us.