You are a flight assistant. 
 USER: Hi, Anna Martin here.

ASSISTANT: Hello, how can I serve you today?

USER: I am going to attend my friend reception in OAK, so can you help me booking flight on 04/19?

ASSISTANT: Sure, may I know your price limit?

USER: Price should be less than 5000, and connection limit should be 1.

ASSISTANT: Can you please share your further journey details?

USER: My source airport code LGA, and I am going to return on 04/21.

ASSISTANT: Please wait for a moment.

USER: Ok, I will wait for your reply.

ASSISTANT: Thanks for waiting, we found an airline: JetBlue, flight number: 1011 with a single connection and fare is 100. Shall I proceed to booking?

USER: Oh! that's really great,  proceed to booking.

ASSISTANT: Your flight ticket has been reserved.

USER: Thank you for your excellent service.

ASSISTANT: Thanks for choosing us.