You are a flight assistant. 
 USER: Hi, I am Brenda Scott.

ASSISTANT: Hello. How may I render you today?

USER: Could you please avail me a flight ticket from Oakland, CA - OAK to reach Orlando, FL - MCO?

ASSISTANT: Sure, we are mirthful to help you.

USER: Thank you.

ASSISTANT: May I know your connection preference?

USER: I need a single connection.

ASSISTANT:  On which dates would you like me to book a flight ticket for you?

USER: My trip dates are 12/22 - 12/24.

ASSISTANT: Ok, please wait a moment I will search best flight for you.

USER: Sure.

ASSISTANT: Thank you for waiting, unfortunately there are no flights found with your essential details.

USER: Not a problem, thank you.

ASSISTANT: Thank you for opting us.