You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how may I help you?

USER: Myself Pamela Collins. I am planning to visit Seattle to met my friend, can you please help me in booking a flight ticket?

ASSISTANT: Please provide your airport codes.

USER: My airport codes are from OAK to SEA.

ASSISTANT: Can I have your journey dates? Please give me a while.

USER: These are my planning dates 01/08 and 01/10.

ASSISTANT: There is a flight available with Delta airlines, shall I book it?

USER: Please proceed.

ASSISTANT: Your ticket is booked, flight number is 1003.

USER: Thank you for our service.

ASSISTANT: Thank you for booking.

USER: Welcome.