You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: I am Joshua Martinez. I want to book a flight from PHX to reach MSP to meet my high school friends. Can you book a connecting flight for me?

ASSISTANT: Sure, may I know your journey dates?

USER: I have planned to travel on July 2nd and return on July 4th.

ASSISTANT: Do you need a economy class?

USER: No.

ASSISTANT: Can I know your requirements?

USER: I would like to depart at evening time.

ASSISTANT: Ok, wait a minute.

USER: Ok.

ASSISTANT: Sorry, there are no flights available.

USER: Ok, no problem. Thank you.

ASSISTANT: Thank you for choosing us.