You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: I'm Richard Lewis, planning to visit Dallas. Can you please book me a ticket from LGA to DFW?

ASSISTANT: Sure, I am here to help you. Could you please share your journey dates to search a flight availability?

USER: My preferable journey dates are from 01/22 to 01/24.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Flight-1028 of Southwest airlines is available for you, shall I proceed?

USER: Please book my ticket with this flight.

ASSISTANT: Ok, your booking is done.

USER: Thank you for booking my ticket.

ASSISTANT: Welcome.