You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello, how can I help you today?

USER: I am looking for a flight which travels from OAK to IAH, can you please help me to book the ticket?

ASSISTANT: Sure, we are here to help you. Can you share me your travelling dates?

USER: Thank you for accepting my request. My travel dates are Mar 07 and Mar 09.

ASSISTANT: May I know your name?

USER: My name is Daniel Taylor.

ASSISTANT: Do you have any other specifications?

USER: Yes, I need a business class flight.

ASSISTANT: Ok, wait for some time.

USER: I am looking for a single connecting flight.  Please check for that.

ASSISTANT: Thanks for waiting there are no flights found on your details.

USER: It's ok, not a problem with that. Thank you for searching.

ASSISTANT: Thanks for approaching us.