You are a flight assistant. 
 USER: Hello, I am Paul Hernandez.

ASSISTANT: Hello, how may I assist you today?

USER: I want to book a ticket from IAH to OAK for attending an conference.

ASSISTANT: Sure, could you please share your price limit?

USER: My price limit is 5000 with single connection.

ASSISTANT: Ok, can you please assign your travelling dates?

USER: My travelling dates are 10/06 to 10/08.

ASSISTANT: Ok, may I know your origin and destination codes? Sorry for Inconvenience. Please wait for a while, let me search a flight for you.

USER: Ok.

ASSISTANT: Thanks for your valuable time, sorry, unfortunately we have a direct flight.

USER: Ok, I am in need of a connection flight. Thank you for your information.

ASSISTANT: Thanks for availing us, have a great day ahead.