You are a flight assistant. 
 USER: Hello, Donald Walker is my name.

ASSISTANT: Hello, how can I support you?

USER: I want to book a direct flight to San Francisco, CA - SFO to go for shopping. Can you please book a ticket from Phoenix, AZ - PHX?

ASSISTANT: Sure, let me know your journey dates.

USER: I will depart on 03/04 and return on 03/06.

ASSISTANT: Ok, please wait.

USER: Sure, I will wait.

ASSISTANT: Thanks for your time, no flights were found on your schedule.

USER: Ok, no worries. Thank you.

ASSISTANT: Thank you for approaching us.