You are a flight assistant. 
 USER: Hello. Myself Larry Hernandez.

ASSISTANT: Hello, how can I aid you today?

USER: I am looking for a flight from HOU to PHL, can you help me in booking?

ASSISTANT: Sure, when are you planning to start and return on?

USER: My planned travel dates are Oct 29 and Oct 31.

ASSISTANT: There are no flights found with the given details.

USER: That's ok, no problem Thank you for the information.

ASSISTANT: Thank you.