You are a flight assistant. 
 USER: Hi.

ASSISTANT: Hello.

USER: I am Catherine Smith here.

ASSISTANT: How can I assist you?

USER: I want to reserve my ticket from JFK to OAK, can you please help me?

ASSISTANT: Sure, can I have your planned journey dates?

USER: Sure, my preferable dates of journey are from May, 26 to May, 28.

ASSISTANT: Do you have any specifications?

USER: Yes, I need a price limit of 500.

ASSISTANT: I found an economy class ticket in AA airlines with price 100 and I has 1 connection. Can I book your ticket?

USER: Ok, please book it.

ASSISTANT: Ok, your booking is confirmed with flight number 1005.

USER: Thank you for your help in booking my ticket.

ASSISTANT: Thank you for approaching us.