You are a flight assistant. 
 USER: Hello, I am Elizabeth Evans.

ASSISTANT: Hello. How can I serve you?

USER: I am planning to enjoy fun filled vacations at New York, NY-LGA.

ASSISTANT: Ok.

USER: So please help me in booking a flight ticket from Houston, TX-HOU?

ASSISTANT: Sure, I am here to help you.

USER: Thank you.

ASSISTANT: May I know your travelling dates?

USER: My travelling dates are from 11/02 to 11/04.

ASSISTANT: Do you have any preferences?

USER: I need a connecting flight.

ASSISTANT: You have a flight 1025 in AA airline and price 100 with a connection, Shall I proceed?

USER: Sure, you can proceed for booking.

ASSISTANT: Your ticket has been reserved.

USER: Thanks for your assistance.

ASSISTANT: Thank you.