You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How can I assist you?

USER: Can you book a ticket from Oakland?

ASSISTANT: Please help me with full details of journey.

USER: Sure, my location codes are from OAK to SFO.

ASSISTANT: Kindly mention the details.

USER: My preferable dates of travelling 08/26 to 08/28.

ASSISTANT: There is a flight with airline Delta with 1 connection. Can I book it?

USER: Sure, book the ticket for me.

ASSISTANT: Your flight is booked with number 1013. Have a safe flight.

USER: Thank you for your help.

ASSISTANT: May I know your name?

USER: My name is Andrew Brown.

ASSISTANT: Thank you.

USER: Welcome.