You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I would like to meet my friend at San Francisco. Can you please find any flights available from Dallas?

ASSISTANT: Sure, please provide your airport codes.

USER: The source and destination airport codes are DFW and SFO.

ASSISTANT: May I know your journey dates please?

USER: I am planning my journey on dates 09/23 and 09/25.

ASSISTANT: Please wait a moment.

USER: Ok, take your time.

ASSISTANT: I found a flight for you in Southwest airlines with price 100. Shall I book your ticket?

USER: Sure, please book the ticket with the name Kenneth Lewis.

ASSISTANT: Ok, your booking is confirmed with flight number 1004.

USER: Thank you.

ASSISTANT: Thank you for approaching us.