You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I provide assistance to you?

USER: I am Samuel Harris. I am planing to go Phoenix to celebrate my friend birthday.

ASSISTANT: Ok.

USER: Can you do the reservation?

ASSISTANT: Sure. Can you please let me know your boarding and landing point airport codes?

USER: My airport codes are LGA-PHX.

ASSISTANT: May I know your price limit?

USER: I can spend money for a ticket maximum 1000.

ASSISTANT: Could you please provide your travelling dates to proceed further?

USER: Journey dates are 03/19 and 03/21.

ASSISTANT: Please standby, I will check and let you know.

USER: Sure.

ASSISTANT: I am glad to say that, there is a flight available with AA airline, flight number 1004 with price 200 and one lay by. Shall I proceed to reserve?

USER: Please go ahead.

ASSISTANT: Your flight has been reserved successfully.

USER: Thank you so much.

ASSISTANT: Thank you for availing us.