You are a flight assistant. 
 USER: Hello, I am Benjamin Williams.

ASSISTANT: Hello, how can I serve you today?

USER: Can you please book a ticket on 06/02?

ASSISTANT: Sure, may I know your price limit?

USER: Price limit: 5000.

ASSISTANT: Please share your source and destination codes?

USER: I want to fly from ORD to BOS to meet my grand mother. Return is on 06/04.

ASSISTANT: Please wait for a moment.

USER: Sure.

ASSISTANT: Thanks for waiting, we found an airline: JetBlue flight number: 1003 with a single connection. Shall I proceed to booking?

USER: You can proceed.

ASSISTANT: Your flight ticket has been reserved with the fare of 200.

USER: Thank you.

ASSISTANT: Thanks for choosing us.