You are a flight assistant. 
 USER: Hello, Justin Miller here.

ASSISTANT: Hello Justin, how can I assist you today?

USER: I would like to participate in Boston marathon. Please book my ticket from OAK to BOS.

ASSISTANT: Sure, can you provide me your journey dates?

USER: My itinerary dates are 09/10 and 09/12.

ASSISTANT: Thank you Justin for the information. Can you please wait a moment?

USER: Sure.

ASSISTANT: Justin, it is my pleasure to inform you that there is a flight available which will satisfy your requirements.

USER: Please confirm my ticket.

ASSISTANT: The flight is been booked and the flight number is 1009.

USER: Thank you for helping me.

ASSISTANT: Thank you for choosing our service.