You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I aid you today?

USER: Can you aid me in booking a flight ticket from IAD to SEA?

ASSISTANT: Sure, I am here to help you out. Please provide me your trip dates.

USER: I am planning to start on Jan 11th and return back on Jan 13th.

ASSISTANT: May I know your name to proceed further?

USER: I am Brandon Turner.

ASSISTANT: I regret to inform you that I didn't find any flight in your route for your return journey due to inflation in polices of flight booking. Sorry for inconvenience caused  Brandon Turner.

USER: No issues. Thank you for checking.

ASSISTANT:  Brandon Turner, thank you for reaching us.