You are a flight assistant. 
 USER: Hello, I am Nicole Wright.

ASSISTANT: Hello, how can I assist you today?

USER: I want to attend my sister's baby shower occasion, Can you please book a ticket for me?

ASSISTANT: Sure, may I know your journey dates?

USER: Journey starts from 03/13 to 03/15. With price 5000.

ASSISTANT: Can you please provide your airport codes?

USER: Origin: DTW and Destination: OAK.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting. Sorry, there is no flights found with your given details.

USER: Ok. Thank you.

ASSISTANT: Thanks for choosing us.