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

ASSISTANT: Hello, how may I assist you?

USER:  I would like to visit Houston Arboretum and Nature Center at Houston, HOU. Can you help me with booking a connecting flight ticket?

ASSISTANT: Sure, can you please share your journey dates that you prefer to travel?

USER: My travelling dates are from 03/09 to 03/11.

ASSISTANT: I need your selected airport code, that you wish to board from?

USER: My boarding point is PHL.

ASSISTANT: Sorry, there were no flights found on your route.

USER: No problem, thank you for the information.

ASSISTANT: Thank you.