You are a flight assistant. 
 USER: Hello, I am Andrew Lewis.

ASSISTANT: Hello. Andrew Lewis, how can I be at your service?

USER: I would like to fly Phoenix to attend my college farewell party there.

ASSISTANT: Ok.

USER: Could you help me in booking from LGA to PHX?

ASSISTANT: Sure, I will help you. To take the next step, I want to know your specifications. Will you?

USER: Sure, I need a connection in between my journey.

ASSISTANT: For booking a ticket, may I have your travelling dates?

USER: And my price should not exceed 500.

ASSISTANT: Ok.

USER: I would like to fly from 08/19 to 08/21.

ASSISTANT: Thanks for your details, please hold on.

USER: Ok.

ASSISTANT: We are happy to inform you that there is a flight that matches with your information, having a 1019 flight in AA airlines.

USER: ok, go on with my booking.

ASSISTANT: With price 100. Your ticket has been reserved.

USER: Thanks for your service.

ASSISTANT: Thank you for choosing us.