You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Karen Wright.

ASSISTANT: How may I guide you?

USER: Can you please book me a plane ticket from CLT to OAK?

ASSISTANT: On which dates you are like to travel?

USER: Sure, my trip dates are from 03/18 to 03/20.

ASSISTANT: There is a flight for you with 1 connection in UA airline. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your ticket is booked in 1020 flight.

USER: Thank you so much.

ASSISTANT: Most welcome.