You are a flight assistant. 
 USER: Hi. I am Melissa Turner.

ASSISTANT: Hello, how can I assist you for the day?

USER: I want to go for an adventure trip. Can you book me a flight ticket in the afternoon from the departure?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: My preferable dates are from Aug 19 to 21.

ASSISTANT: Can you help me with your airport codes?

USER: Ok, my locations are from PHX to MSP.

ASSISTANT: Do you have any other requirements?

USER: Yes, I need a flight with economy class with single connection limit.

ASSISTANT: Please wait for a moment.

USER: Sure, get back with good airlines.

ASSISTANT: Sorry, we found no flights on your given dates.

USER: It's ok, thanks for checking.

ASSISTANT: Thank you for reaching us.