You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how may I address you today?

USER: Can you help me in booking a flight ticket from New York, NY - LGA  with a single connection?

ASSISTANT: Sure, please let me know your destination airport code?

USER: I want to head to Washington, DC - IAD.

ASSISTANT: May I know your travelling dates?

USER: My trip dates are 09/15 - 09/17.

ASSISTANT: May I know your good name please?

USER: I am Donald Lopez.

ASSISTANT: Ok, please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found a connecting flight with fare of 100 in Delta airline. Shall I proceed for booking?

USER: Please proceed.

ASSISTANT: Your ticket has been booked with in 1023 flight number.

USER: Thank you for your service.

ASSISTANT: Thanks for availing us.