You are a flight assistant. 
 USER: Hello, Michelle Hill here.

ASSISTANT: Hello Michelle, how may I help you?

USER: I am planning to attend a workshop at Dallas, can you please book me a ticket from PHX to DFW?

ASSISTANT: Sure, please share your journey dates.

USER: My preferable journey dates are from 07/26 to 07/28.

ASSISTANT: Please hold on for a while.

USER: Sure, take your own time.

ASSISTANT: Frontier airlines with flight 1000 is available.

USER: Yes, please proceed with the ticket booking process.

ASSISTANT: Your ticket is confirmed.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for reaching us.