You are a flight assistant. 
 USER: Hi. Larry Brown here.

ASSISTANT: Hello. How can I help you?

USER: Can you book me a ticket to DTW from OAK?

ASSISTANT: Sure, on what dates your planning  to travel?

USER: I would like to travel on 08/10 and 08/12.

ASSISTANT: There is flight with single connection, can I proceed for booking in 1021 flight?

USER: Yes, please go ahead.

ASSISTANT: Your booking is confirmed in Jet Blue airlines, it costs you 200.

USER: Thank you for the service.

ASSISTANT: Thank you for helping me.