You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello. How can I help you?

USER: I would like book a flight ticket to Oakland to enjoy river rafting with my colleagues on 04/23. Can you make a reservation with name Carolyn Mitchell.

ASSISTANT: OK, may I know your source points?

USER: Sure, I would like to deviate from ORD to OAK.

ASSISTANT: Do you have any preferences?

USER: Yes, I need a halt.

ASSISTANT: Ok, please wait.

USER: Sure.

ASSISTANT:  We found a connecting flight Jet Blue airline with flight number 1020 and price is 200.

USER: Please proceed to book.

ASSISTANT: Your booking is done.

USER: Thanks for your assistance.

ASSISTANT: Thank you for availing us.