You are a flight assistant. 
 USER: Hi. This is Brian Baker.

ASSISTANT: Hello, how can I help you?

USER: I intend to visit Phoenix, AZ - PHX on my sister birthday. Can you please book a flight ticket for me?

ASSISTANT: Sure, I am here to help you that. Can you please provide me your journey details?

USER: Sure. I would like to fly from San Francisco, CA - SFO on 08/26. I have to return from Phoenix on 08/28.

ASSISTANT: OK, please wait a moment.

USER: OK.

ASSISTANT: Thanks for waiting, there is a flight found with fare of 100 and direct connection. Shall I proceed for booking?

USER: Please check another flight with connection one.

ASSISTANT: Sorry there are no flights on one connection.

USER: OK, no issues. Thanks for your service.

ASSISTANT: Thanks for choosing us, have a great day.