You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: Margaret Green here.

ASSISTANT: How can I help you?

USER: My preferable dates for travel are 12/17 to 12/19. Can you reserve a flight ticket?

ASSISTANT: Sure, I am glad to help you. May I know your airport codes please?

USER: My airport codes for boarding the flight are LGA to OAK.

ASSISTANT: thanks for waiting, there is a flight with 1 connection in JetBlue airlines and price is 600. Shall I proceed?

USER: I am happy with the cost of the flight ticket as well. So you can proceed.

ASSISTANT: Ok, your ticket is booked with flight number 1027.

USER: Thank you.

ASSISTANT: Thank you for opting us.