You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I assist you?

USER: I am Dorothy Allen, Can you help me to book a flight ticket?

ASSISTANT: Sure, may I know your travelling details?

USER: I am planning to surprise my family members by visiting my home, location are PHL and SEA. My dates are 12/09 and 12/11. Did you find any flight for me?

ASSISTANT: Yes, I found a flight-1009 with delta airlines, can I proceed?

USER: Yes, you can.

ASSISTANT: Yes, your ticket is booked.

USER: Thank you for your help.

ASSISTANT: Thank you for approaching us, have a safe journey.