You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to attend a Marriage in Philadelphia. Can you please help me for booking the flight ticket?

ASSISTANT: Sure, I am here to help you. Can you please share your airport codes?

USER: My airport codes are LAS and PHL.

ASSISTANT: On which dates you would like to travel?

USER: My travelling dates are Mar 24 and Mar 26.

ASSISTANT: May I know your connection limit?

USER: I prefer single connecting flight.

ASSISTANT: May I know your departure and arrival time?

USER: I don't have any other preferences.

ASSISTANT: Ok, please share your name.

USER: My name is Matthew Davis.

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

USER: Anyway, thanks for the information.

ASSISTANT: Thank you for choosing us.