You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I help you?

USER: My name is Katherine Collins, would you help me in booking a ticket for a trip?

ASSISTANT: Sure, will you provide your travelling details?

USER: I want to travel from DEN to SFO. The dates are 02/11 to 02/13.

ASSISTANT: OK, please give me a moment.

USER: OK.

ASSISTANT: Thanks for waiting.As per your request the flight is available.

USER: Please book the ticket.

ASSISTANT: The flight number is 1022 with price 200 and the connections 1. Are you OK with this?

USER: OK.

ASSISTANT: Shall I proceed for booking?

USER: Please book the ticket.

ASSISTANT: Your ticket is booked.

USER: Thank you for helping me out.

ASSISTANT: Thanks for reaching us. Have a nice day.