You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: Can you please help me in booking my flight from PHL to visit LAS?

ASSISTANT: Sure, can you please share your travel dates?

USER: My planned journey dates are Dec 1st and Dec 3rd.

ASSISTANT: Do you have any connection limit?

USER: I prefer a single connecting flight.

ASSISTANT: May I know your airline preference?

USER: I would prefer normal cost airlines.

ASSISTANT: Do you have any other requirements?

USER: I don't have any other specifications.

ASSISTANT: May I know your name please?

USER: My name is Jerry Johnson.

ASSISTANT: Sorry, there are no flights in this route as per your travelling details.

USER: Ok, not a problem. Anyways, thank you for the help.

ASSISTANT: Thank you for choosing us.