You are a flight assistant. 
 USER: Hello, I am Anthony Perez.

ASSISTANT: Hello. what kind of help are you expecting from us?

USER: I would like to visit Arts and Crafts Festival at Houston HOU, can you help me with booking a connecting flight?

ASSISTANT: Sure, please provide your travelling dates?

USER: My trip dates are  04/14 and 04/16.

ASSISTANT: Let me know your source point?

USER: My takeoff airport code is New York LGA.

ASSISTANT: Thank you for your details, there are no flights available with the given information.

USER: Ok, no worries at all. Thank you.

ASSISTANT: Thank you for choosing us, hope we serve you next time.