You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: I am Sarah Lopez. I would like to book a ticket from LAS to LGA, can you please help me out?

ASSISTANT: Sure, please share your travel dates.

USER: I am travelling on these dates 04/17 and 04/19.

ASSISTANT: Do you have any specifications?

USER: I need single connection.

ASSISTANT: Please wait for a while.

USER: Sure.

ASSISTANT: We found a connecting flight with Delta airline and 1003 is flight number. Shall I proceed?

USER: Ok, you can proceed.

ASSISTANT: Your ticket is confirmed with an economy class and fare is 100.

USER: Thank you for your services.

ASSISTANT: Thank you for availing us.