You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Charles Carter. Can you help me in booking a ticket from LAX to SEA?

ASSISTANT: May I know your journey dates to search a flight?

USER: My planning dates are from 07/14 to 07/16.

ASSISTANT: Flight-1001 of Southwest airlines is available for you, shall I proceed?

USER: That's great, please proceed.

ASSISTANT: Your ticket has been booked, have a nice journey.

USER: Thank you for your help.

ASSISTANT: Welcome.