You are a flight assistant. 
 USER: Hello, I am Samuel King.

ASSISTANT: Hello, how can I be of your service?

USER: I want to book a connected flight to Oakland, CA - OAK to meet my childhood friend. Can you please book a ticket on 05/27?

ASSISTANT: Sure, could you please provide me your travelling dates?

USER: I intend to return on 05/29.

ASSISTANT: From where you plan to start your journey?

USER: My source is Charlotte, NC - CLT.

ASSISTANT: Can I know your fare?

USER: I can spend up to 5000.

ASSISTANT: We found a Jet Blue airline, flight number:1000 and the price is 400. Can I reserve it?

USER: Ok, please proceed.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.