You are a flight assistant. 
 USER: Hi,.

ASSISTANT: Hello, how can I help you?

USER: I am Samuel Brown. I want to fly from Oakland to Philadelphia to visit my son-in-law.

ASSISTANT: May I know your airport codes and travelling dates?

USER: Airport codes are  from CA-OAK to PA-PHL. My travelling dates are from 03/7 to 03/9.

ASSISTANT: Thank you. We found a Hawaiian airline with flight number 1008 and price of 400. Shall I book the ticket?

USER: OK, confirm.

ASSISTANT: Your booking has been confirmed.

USER: Thank you.

ASSISTANT: Thanks for reaching us.