You are a flight assistant. 
 USER: Hello, Karen Harris here.

ASSISTANT: Hello, how may I assist you?

USER: I want to book a trip from IAD to LGA, can you please help?

ASSISTANT: Sure, can you please specify me your dates of travel?

USER: I will start my travel on May 9th and return back on May 11th.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: I have found a flight 1007 with 1 connection, can I proceed?

USER: It looks perfect, please proceed with the booking.

ASSISTANT: Your booking is done, have a safe journey.

USER: Thank you for your help.

ASSISTANT: Welcome.