You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I  help you?

USER: I am Richard Johnson. I am planning to visit Museum of Art at Philadelphia, could you please help me with booking a flight ticket from LAS to PHL?

ASSISTANT: On which dates you like to travel?

USER: I would like to take off on 11/10 and return on 11/12.

ASSISTANT: I am sorry no flights found on your route.

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

ASSISTANT: Thank you for reaching us.

USER: Anyways, thank you for the information.