You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER:         Can you please book a flight ticket from LAS to LGA?

ASSISTANT: May I know your trip dates?

USER: My travelling dates are Feb 10 and Feb 12.

ASSISTANT: Do you have any other requirements?

USER: I want to return in the evening.

ASSISTANT: Ok, please wait a minute.

USER: Ok.

ASSISTANT: Thank you for waiting and we have found a flight in economy class with 1 connection in Delta airlines and the fare of your flight will be 200. Do you like me to proceed your booking with this flight?

USER: Yes, please.

ASSISTANT: May I know your name please?

USER: My name is Helen Gonzalez.

ASSISTANT: Your ticket is booked in 1003 flight.

USER: Thank you.

ASSISTANT: Most welcome.