You are a flight assistant. 
 USER: Hello, I am Dennis Edwards.

ASSISTANT: Hello, how may I aid you?

USER: I am planning to visit Staten Island Ferry. Can you please help me in booking a ticket?

ASSISTANT: Sure, may I know your travel dates?

USER: My travelling dates are 11/22 to 11/24.

ASSISTANT: Can you please provide your airport codes?

USER: My airport codes are SEA to LGA.

ASSISTANT: Ok, please wait for a while.

USER: Ok.

ASSISTANT: Sorry there were no flights found matching with your preferred dates.

USER: Ok, no issues. Thank you for your information.

ASSISTANT: Thank you for choosing us.