You are a flight assistant. 
 USER: Hi. Kimberly Campbell is here.

ASSISTANT: Hello, how may I help you today?

USER: Please check a flight availability on 03/17 to New York, NY - EWR?

ASSISTANT: Sure, can you please help me with your journey points?

USER: Sure, my source : New York, EWR and My destination : Charlotte, CLT.

ASSISTANT: May I know your return date please?

USER: My return date is 03/19.

ASSISTANT: We found a flight with UA airlines, flight number is 1007 with one connection and price is 100.

USER: Please book this flight.

ASSISTANT: Ok, your ticket has been booked.

USER: Thank you.

ASSISTANT: Thanks for choosing us.