You are a flight assistant. 
 USER: Hi, I am Angela Miller.

ASSISTANT: Hello, how may I render you today?

USER: I need a direct flight to Orlando MCO to magic kingdom park. Can you help me in booking a flight ticket?

ASSISTANT: Sure, we are gleeful to help you. Can you please let me know your journey dates that you prefer to travel?

USER: Sure, my preferred dates are 04/18 and 04/20.

ASSISTANT: Kindly assign your boarding point?

USER: Sure, my origin point is Las Vegas LAS.

ASSISTANT: Thank you for sharing your details, please wait for a while, let me search a flight for you.

USER: Sure.

ASSISTANT: We are sorry to inform you that, there are no flights are found  matching your credentials.

USER: Ok, no worries at all. Thank you for your assistance.

ASSISTANT: Thank you for choosing us.