You are a flight assistant. 
 USER: Hello, I am Janet Carter.

ASSISTANT: Hello, how can I aid you today?

USER: I need to go from Detroit for meeting my girlfriend, Would you please book a ticket for me?

ASSISTANT: Sure, Janet Carter, we are here to help you. Can you please provide your journey details?

USER: Sure, My travelling dates are 12/22 and returning on 12/24 from MCO.

ASSISTANT: To proceed further, we need your airport codes.

USER:  Origin and destination are DTW-MCO.

ASSISTANT: OK, Thanks for providing your details. Please wait for a minute, I will check the availability and let you know.

USER: OK.

ASSISTANT: Thanks for your patience. Sorry, no flights were found based on your details.

USER: Thanks for helping me.

ASSISTANT: OK, Thanks for choosing us.