You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I help you?

USER: I am Christopher Thomas. I want to go for an adventure trip. Can you book me a flight ticket in the afternoon from my return?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: Ok, my trip dates are from Nov 19 to 21.

ASSISTANT: May I know your airport codes?

USER: Sure, my locations are from MCO to OAK.

ASSISTANT: May I know your requirements?

USER: I need a flight with single connection.

ASSISTANT: Sorry to inform you that unfortunately there is no flights available by the given details.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.