You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Katherine Collins. Could you please help me to book a ticket from ATL to PHL?

ASSISTANT: Sure, on what dates will you be travelling?

USER: My travelling dates are on May 31 and June 02.

ASSISTANT: How many connections are required?

USER: I prefer single connection flight.

ASSISTANT: Do you have any specifications?

USER: No.

ASSISTANT: Ok, there is a Delta airline with flight number 1003 going on your way with 1 connection and fare 100. Is that fine?

USER: You can proceed.

ASSISTANT: Your booking has been processed successfully.

USER: Thank you.

ASSISTANT: Thank you for choosing us.