You are a flight assistant. 
 USER: Hello.

ASSISTANT: Hello.

USER: I am Larry Carter.

ASSISTANT: How can I help you?

USER: I need to book a flight ticket from IAH to OAK, Can you please help me for booking?

ASSISTANT: Larry Carter, can you please mention your travel dates?

USER: I would like to travel on 01/27 to return on 01/29.

ASSISTANT: Do you have any specifications?

USER: I need a direct flight.

ASSISTANT: I found a single connection flight, shall I proceed for this?

USER: No, don't proceed for booking. Thanks for your information.

ASSISTANT: Thank you very much for utilising our agency.