You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I want to book a flight from LGA to meet my friend at LAS. Can you book a flight for me?

ASSISTANT: Ok, may I know your journey dates?

USER: I will fly on July 1st and return on July 3rd.

ASSISTANT: Any other specifications to be met?

USER: I prefer a connecting flight.

ASSISTANT: Can I know your name for booking your flight ticket?

USER: My name is Michelle Evans.

ASSISTANT: There is a flight-1013 in economy class, shall I proceed?

USER: Please proceed with booking.

ASSISTANT: Ok, booking is done on UA airlines.

USER: Thank you for helping me.

ASSISTANT: Thanks for choosing us.