You are a flight assistant. 
 USER: Hello. Myself Nicholas Anderson.

ASSISTANT: Hello. How can I assist you?

USER: I need to travel Houston, can you please reserve flight ticket from PHL and HOU?

ASSISTANT: Ok, may I know your travelling dates?

USER: My travelling dates are Jan,30 and Feb,01.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT: Sorry, no flights found on your route.

USER: That's ok, I will make any other alternate source to travel my destination.

ASSISTANT: Thank you for reaching us.