You are a flight assistant. 
 USER: Hi. Dorothy Miller here.

ASSISTANT: Hello, how may I guide you?

USER: Can you book a ticket from PHX to IAD?

ASSISTANT: Sure, can I know your preferable dates?

USER: Sure, here are my preferred travel dates 10/01 and 10/03.

ASSISTANT: I found a flight 1022 of Southwest airlines matches with your preferences, can I proceed?

USER: Please go ahead.

ASSISTANT: Your ticket is booked. Thank you.

USER: Thank you for the help.