You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I aid you?

USER: I am looking for a flight to New York to attend a meeting with client. Can you book a connecting flight for me?

ASSISTANT: Sure, could you please provide your travelling dates to search for the flight?

USER: I will fly on Mar 10 and return on Mar 12.

ASSISTANT: Can I know your airport codes?

USER: My source point is PHL and my destination is LGA.

ASSISTANT: Let me know your name?

USER: My name is Helen Martinez.

ASSISTANT: There is a economy class flight 1000 of Frontier airlines, can I proceed?

USER: Please proceed with booking.

ASSISTANT: Your booking is done.

USER: Thank you for helping me.

ASSISTANT: Welcome.