You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I be your helping hand?

USER: Can you please help me in booking a flight ticket from LAS to PHL?

ASSISTANT: Sure, may I know your travel dates?

USER: I want to fly on Feb 19 and return on Feb 21.

ASSISTANT: Do you have any specifications?

USER: I need a single connection.

ASSISTANT: May I know your name?

USER: Myself Laura Thomas.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Sorry, there were no flights found on your route.

USER: Not an issue. Thank you.

ASSISTANT: Thank you for reaching us.