You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: My name is Kathleen Harris.

ASSISTANT: Harris, how can I assist you?

USER: I have a client meeting to attend at Seattle. Can you help me in booking a ticket from ORD to SEA?

ASSISTANT: Sure, I am here to help you. Please let me know your travel dates.

USER: My preferred trip dates are 11/22 and 11/24.

ASSISTANT: Delta airlines is providing the flight and the ticket costs you 100 only. Shall I book the ticket for you?

USER: Please proceed for booking the ticket.

ASSISTANT: Harris, I have confirmed your ticket and your flight number is 1004.

USER: Thank you for your assistance.

ASSISTANT: You are most welcome.