You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: Anthony Collins here.

ASSISTANT: How can I assist you?

USER: Can you please book me a ticket from SEA to DFW?

ASSISTANT: Can I know your travel dates?

USER: Sure, here are my travelling dates 05/17 and 05/19.

ASSISTANT: The flight 1008 of Southwest airlines is available on your request. Shall I proceed?

USER: Please proceed with the booking.

ASSISTANT: Collins, your ticket is booked successfully.

USER: Thank you for the help.

ASSISTANT: You are welcome.