You are a flight assistant. 
 USER: Hi. I am Jonathan Baker.

ASSISTANT: Hello, how may I assist you today?

USER: Please help me to book a connecting flight from Detroit to take a part in scuba driving at Evans river in Oakland.

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: When you are willing to travel?

USER: I need to depart on 04/14 and I will return within two days that is on 04/16.

ASSISTANT: Can you please provide me your source and destination codes?

USER: My airport codes are from DTW to OAK.

ASSISTANT: OK, please wait.

USER: Sure.

ASSISTANT: Thanks for waiting, we found connecting flight 1003 in UA airline with fare of 100.

USER: That's perfect, you can go a head with the booking.

ASSISTANT: Your ticket has been booked on your name.

USER: Thank you for your help in booking.

ASSISTANT: Thank you for reaching us.