You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I assist you?

USER: I am James Clark.

ASSISTANT: Ok.

USER: I am planning to visit New England Aquarium at Boston, could you please help me with booking a flight ticket?

ASSISTANT: Can you please provide me your travel dates?

USER: I would like to take off on 10/02 and return on 10/04.

ASSISTANT: Can you please mention your source and destination codes?

USER: My nearest source airport code is DTW and destination airport code is BOS.

ASSISTANT: Sorry, I did not find any flight with your dates.

USER: That's ok, I will find an another alternate way to complete my trip.

ASSISTANT: Thank you for reaching us.

USER: Thank you for the information.