You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I want to attend a seminar on machine learning, could you book my ticket from EWR to AUS?

ASSISTANT: Sure, may I know your trip dates please?

USER: My itinerary dates are June 22 and June 24.

ASSISTANT: Do you have any other requirements?

USER: I am looking for a connecting flight.

ASSISTANT: Can I know your name please?

USER: Sarah Lopez here.

ASSISTANT: Please wait.

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 100. Do you like me to proceed your booking with this flight?

USER: Please book my ticket.

ASSISTANT: Ok, your ticket is booked.

USER: Thank you for your service.

ASSISTANT: Most welcome.