You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Helen Carter here.

ASSISTANT: Helen Carter, how may I aid you?

USER: I would like to spend my weekend at Boston, please help me in booking a ticket from LGA to BOS. My planned travel dates are on Apr 20 and Apr 22.

ASSISTANT: Please wait for a while.

USER: Sure, take your time.

ASSISTANT: Delta airlines with flight 1011 is providing service with a connecting flight.

USER: Ok, please proceed for booking.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help.

ASSISTANT: Thank you for choosing us.