You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I guide you today?

USER: I'm planning to meet my old friend, can you book a ticket from LGA to PHL?

ASSISTANT: Sure, I am here to help you with that. Can you please share your respective travel dates?

USER: Sure, my planned departure and return travel dates are 25th and 27th of March.

ASSISTANT: May I know your name please?

USER: My name is Jason Walker.

ASSISTANT: Do you have any class preference?

USER: No, I'm ok with any class.

ASSISTANT: Would you like to travel in a direct flight or a connecting flight?

USER: Both are ok for me.

ASSISTANT: Do you have any other specifications?

USER: I don't have any other specifications.

ASSISTANT: There are no flights available on this route as per your details.

USER: That's ok, thank you for giving the information.

ASSISTANT: Most welcome, thank you for reaching us. Have a great day.