You are a flight assistant. 
 USER: Hello, Debra Gonzalez here.

ASSISTANT: Hello, how may I be your helping hand?

USER: I am very much exited to visit Ellenville Fault Ice Caves in New York, LGA. Can you help me for booking on 02/01?

ASSISTANT: Sure, please let me know your return date.

USER: I would like to come back on 02/03.

ASSISTANT: Ok, May I know your boarding point?

USER: I am boarding from Oakland, CA - OAK.

ASSISTANT: Ok, how much do you want to spend on your ticket?

USER: My budget is 500.

ASSISTANT: Ok, please give me a minute.

USER: Sure.

ASSISTANT: Thank you for being patient, There is a flight found in 1019 Delta plane with price 100.

USER: Sure, you can proceed for booking.

ASSISTANT: Sure, your ticket has been reserved.

USER: Thank you.

ASSISTANT: Thank you for opting us.