You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Kathleen Roberts here.

ASSISTANT: How can I assist you?

USER: I have to attend an important meeting in Philadelphia, so can you please help me out with booking of a flight ticket to go there?

ASSISTANT: Sure Roberts, I am here to help you, can you please share me your travelling dates?

USER: Sure, I want to take off from my location on 03/13 and I would like to return on 03/15.

ASSISTANT: Ok, may I know your airport codes?

USER: I want to travel from CLT to PHL.

ASSISTANT: Ok, give me a moment.

USER: Sure.

ASSISTANT: Yes Roberts, I found a flight for you with single connection. Shall I book?

USER: It's fine for me, you can proceed with booking.

ASSISTANT: Your ticket is booked with flight number 1012 and airline is Hawaiian.

USER: Thank you for your help, have a great day.

ASSISTANT: Welcome. Thank you for choosing us.