You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I assist you?

USER: I would like to visit Seattle to meet my friend, please help me in booking a ticket.

ASSISTANT: Sure, I am here to help you. Can you share your airport codes?

USER: My airport codes are from CLT to SEA.

ASSISTANT: Ok, may I know your travelling dates?

USER: My trip dates are from 04/23 to 04/25.

ASSISTANT: Let me know your good name please.

USER: My name is Joseph Nelson.

ASSISTANT: On Ua airline we have a flight with connection 1. Shall I proceed?

USER: Ok, please confirm my booking.

ASSISTANT: Ok, your ticket has been done with flight number 1009.

USER: Thank you for your response in booking my ticket.

ASSISTANT: Thank you for choosing us.