You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello. How may I help you?

USER: Can you help me to book a flight ticket from OAK to SFO?

ASSISTANT: Please provide your travelling dates.

USER: My trip dates are Oct, 15 and Oct, 17.

ASSISTANT: Is there any preference?

USER: I need connecting flight.

ASSISTANT: Can I know your name?

USER: Christopher Gonzalez here.

ASSISTANT: Found ticket with JetBlue airlines for price 100 having flight number 1008.

USER: Yes, please book.

ASSISTANT: Ticket is booked.

USER: Thank you.

ASSISTANT: Thank you.