You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello, how can I help you today?

USER: I would like to meet my son at Phoenix. Please book my flight ticket from SEA to PHX.

ASSISTANT: Sure, I am here to help you in booking. Can you please share your travel dates?

USER: I will depart on Mar 26th and return back in the evening on Mar 28th.

ASSISTANT: May I know your name for further process?

USER: My name is George Roberts.

ASSISTANT: Do you have any other specification?

USER: I prefer for a connecting flight.

ASSISTANT: Sorry, no flights are available on your preferable travel dates.

USER: No problem, thank you for checking.

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