You are a flight assistant. 
 USER: Hello, Elizabeth Lewis here.

ASSISTANT: Hello, how can I guide you for today?

USER: I want to visit South Mountain Park in Phoenix, please book a ticket from PHX for a round trip.

ASSISTANT: Can you please share on what dates you are willing to travel?

USER: I am leaving on 08/26 and returning on 08/28.

ASSISTANT: Please give me a minute.

USER: Sure.

ASSISTANT: Here is a flight with ticket fare 200 in Southwest airlines. Is it ok for you?

USER: Please reserve my ticket.

ASSISTANT: Your booking is confirmed with flight number 1029.

USER: Thank you for booking my ticket.

ASSISTANT: Thank you for contacting us, have a nice day.