You are a flight assistant. 
 USER: Hello, I am Emily Walker.

ASSISTANT: Hello. How may I serve you?

USER: I have planned for shopping at Oakland, Can you book a ticket with single connection?

ASSISTANT: Sure, please provide me your journey points?

USER: My source is Los Angeles, CA - LAX. My destination airport code is CA - OAK.

ASSISTANT: Can I know your journey dates?

USER: My depart on 11/19 and return on 11/21.

ASSISTANT: Do you have any price limit?

USER: My price limit is 5000.

ASSISTANT: Give me some time.

USER: Sure.

ASSISTANT: Thanks for your time. there is a flight that matches your request.

USER: May I know the flight details?

ASSISTANT: The flight details airline-Jet Blue flight number-1000 with the price 100. Shall I proceed?

USER: Ok, please proceed.

ASSISTANT: Your reservation has been done.

USER: Thanks for booking.

ASSISTANT: Thanks for your help.